I cant seem to get codeblocks 13.12 to compile c++11 correctly in both clang++ and g++. I have attached the -std=c++11 and -stdlib=libc++ when compiling with clang++. This leads to a linking error. For g++ when you add -std=c++11 or -std=c++0x, the compiler cannot find the random header. When I compiled the code manually in a terminal using both clang++ and g++, none of these errors occurred.
The full linker errors are too long to post so i will just post the information given from the -v invocation.
In codeblocks using clang++ with -std=c++11 and -stdlib=libc++:
Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
Target: x86_64-apple-darwin12.5.0
Thread model: posix
"/usr/bin/ld" -demangle -dynamic -arch x86_64 -macosx_version_min 10.8.0 -o bin/Release/p_class_test obj/Release/Thread_Pool/thread_helper.o obj/Release/Thread_Pool/thread_pool.o obj/Release/Desktop/kmap_testing/hash_methods.o obj/Release/Desktop/p_class_test/p_classtest.o obj/Release/Desktop/p_class_test/refmanager.o -lstdc++ -lSystem /usr/bin/../lib/clang/5.1/lib/darwin/libclang_rt.osx.a
compiling in terminal using clang++ with -std=c++11 and -stdlib=libc++:
Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
Target: x86_64-apple-darwin12.5.0
Thread model: posix
"/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.8.0 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name thread_helper.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 236.3 -v -resource-dir /usr/bin/../lib/clang/5.1 -I /Users/zacharykraus/Desktop/p_class_test/ -I /Users/zacharykraus/Thread_Pool/ -I /Users/zacharykraus/Desktop/kmap_testing/ -stdlib=libc++ -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /Users/zacharykraus -ferror-limit 19 -fmessage-length 80 -stack-protector 1 -mstackrealign -fblocks -fobjc-runtime=macosx-10.8.0 -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/thread_helper-57c077.o -x c++ /Users/zacharykraus/Thread_Pool/thread_helper.cpp
clang -cc1 version 5.1 based upon LLVM 3.4svn default target x86_64-apple-darwin12.5.0
ignoring nonexistent directory "/usr/include/c++/v1"
#include "..." search starts here:
#include <...> search starts here:
/Users/zacharykraus/Desktop/p_class_test
/Users/zacharykraus/Thread_Pool
/Users/zacharykraus/Desktop/kmap_testing
/usr/bin/../lib/c++/v1
/usr/local/include
/usr/bin/../lib/clang/5.1/include
/usr/include
/System/Library/Frameworks (framework directory)
/Library/Frameworks (framework directory)
End of search list.
"/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.8.0 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name thread_pool.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 236.3 -v -resource-dir /usr/bin/../lib/clang/5.1 -I /Users/zacharykraus/Desktop/p_class_test/ -I /Users/zacharykraus/Thread_Pool/ -I /Users/zacharykraus/Desktop/kmap_testing/ -stdlib=libc++ -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /Users/zacharykraus -ferror-limit 19 -fmessage-length 80 -stack-protector 1 -mstackrealign -fblocks -fobjc-runtime=macosx-10.8.0 -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/thread_pool-321d19.o -x c++ /Users/zacharykraus/Thread_Pool/thread_pool.cpp
clang -cc1 version 5.1 based upon LLVM 3.4svn default target x86_64-apple-darwin12.5.0
ignoring nonexistent directory "/usr/include/c++/v1"
#include "..." search starts here:
#include <...> search starts here:
/Users/zacharykraus/Desktop/p_class_test
/Users/zacharykraus/Thread_Pool
/Users/zacharykraus/Desktop/kmap_testing
/usr/bin/../lib/c++/v1
/usr/local/include
/usr/bin/../lib/clang/5.1/include
/usr/include
/System/Library/Frameworks (framework directory)
/Library/Frameworks (framework directory)
End of search list.
"/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.8.0 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name hash_methods.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 236.3 -v -resource-dir /usr/bin/../lib/clang/5.1 -I /Users/zacharykraus/Desktop/p_class_test/ -I /Users/zacharykraus/Thread_Pool/ -I /Users/zacharykraus/Desktop/kmap_testing/ -stdlib=libc++ -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /Users/zacharykraus -ferror-limit 19 -fmessage-length 80 -stack-protector 1 -mstackrealign -fblocks -fobjc-runtime=macosx-10.8.0 -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/hash_methods-b28b1b.o -x c++ /Users/zacharykraus/Desktop/kmap_testing/hash_methods.cpp
clang -cc1 version 5.1 based upon LLVM 3.4svn default target x86_64-apple-darwin12.5.0
ignoring nonexistent directory "/usr/include/c++/v1"
#include "..." search starts here:
#include <...> search starts here:
/Users/zacharykraus/Desktop/p_class_test
/Users/zacharykraus/Thread_Pool
/Users/zacharykraus/Desktop/kmap_testing
/usr/bin/../lib/c++/v1
/usr/local/include
/usr/bin/../lib/clang/5.1/include
/usr/include
/System/Library/Frameworks (framework directory)
/Library/Frameworks (framework directory)
End of search list.
"/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.8.0 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name p_classtest.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 236.3 -v -resource-dir /usr/bin/../lib/clang/5.1 -I /Users/zacharykraus/Desktop/p_class_test/ -I /Users/zacharykraus/Thread_Pool/ -I /Users/zacharykraus/Desktop/kmap_testing/ -stdlib=libc++ -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /Users/zacharykraus -ferror-limit 19 -fmessage-length 80 -stack-protector 1 -mstackrealign -fblocks -fobjc-runtime=macosx-10.8.0 -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/p_classtest-ad56a5.o -x c++ /Users/zacharykraus/Desktop/p_class_test/p_classtest.cpp
clang -cc1 version 5.1 based upon LLVM 3.4svn default target x86_64-apple-darwin12.5.0
ignoring nonexistent directory "/usr/include/c++/v1"
#include "..." search starts here:
#include <...> search starts here:
/Users/zacharykraus/Desktop/p_class_test
/Users/zacharykraus/Thread_Pool
/Users/zacharykraus/Desktop/kmap_testing
/usr/bin/../lib/c++/v1
/usr/local/include
/usr/bin/../lib/clang/5.1/include
/usr/include
/System/Library/Frameworks (framework directory)
/Library/Frameworks (framework directory)
End of search list.
"/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.8.0 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name refmanager.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 236.3 -v -resource-dir /usr/bin/../lib/clang/5.1 -I /Users/zacharykraus/Desktop/p_class_test/ -I /Users/zacharykraus/Thread_Pool/ -I /Users/zacharykraus/Desktop/kmap_testing/ -stdlib=libc++ -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /Users/zacharykraus -ferror-limit 19 -fmessage-length 80 -stack-protector 1 -mstackrealign -fblocks -fobjc-runtime=macosx-10.8.0 -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -vectorize-slp -o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/refmanager-d17474.o -x c++ /Users/zacharykraus/Desktop/p_class_test/refmanager.cpp
clang -cc1 version 5.1 based upon LLVM 3.4svn default target x86_64-apple-darwin12.5.0
ignoring nonexistent directory "/usr/include/c++/v1"
#include "..." search starts here:
#include <...> search starts here:
/Users/zacharykraus/Desktop/p_class_test
/Users/zacharykraus/Thread_Pool
/Users/zacharykraus/Desktop/kmap_testing
/usr/bin/../lib/c++/v1
/usr/local/include
/usr/bin/../lib/clang/5.1/include
/usr/include
/System/Library/Frameworks (framework directory)
/Library/Frameworks (framework directory)
End of search list.
"/usr/bin/ld" -demangle -dynamic -arch x86_64 -macosx_version_min 10.8.0 -o nork /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/thread_helper-57c077.o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/thread_pool-321d19.o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/hash_methods-b28b1b.o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/p_classtest-ad56a5.o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T/refmanager-d17474.o -lc++ -lSystem /usr/bin/../lib/clang/5.1/lib/darwin/libclang_rt.osx.a
Unfortunately I cant make the comparison between codeblocks g++ and g++ in the terminal.
But based on the output from the two different compilations in clang. It appears codeblocks is not using the libc++ library during the linking step. How do you get codeblocks to use the correct libraries on linking for clang++?
I assume based on the clang problem g++ in codeblocks is using an older c++ 03 library even when telling the compiler to switch to c++11. But unfortunately I dont know how to confirm this.
I found the answer to clang++.
Apparently you have to add -stdlib=libc++ as both a compiler flag and a linking flag.
The linkage output turns to
Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
Target: x86_64-apple-darwin12.5.0
Thread model: posix
"/usr/bin/ld" -demangle -dynamic -arch x86_64 -macosx_version_min 10.8.0 -o bin/Release/p_class_test obj/Release/Thread_Pool/thread_helper.o obj/Release/Thread_Pool/thread_pool.o obj/Release/Desktop/kmap_testing/hash_methods.o obj/Release/Desktop/p_class_test/p_classtest.o obj/Release/Desktop/p_class_test/refmanager.o -lc++ -lSystem /usr/bin/../lib/clang/5.1/lib/darwin/libclang_rt.osx.a
which clearly shows the correct library being used.
The g++ problem occurs because even though codeblocks outputs that is it compiling with g++ in actually it using clang++ libraries as part of the compilation and linking process. Though based on the output its not 100% clear if the g++ compiler and its includes are being called. To fix the problem, you need to add -stdlib=libc++ flag for both compilation and linking. As proof that codeblocks on apple is in fact using the clang libraries under the hood, I have attached the output from -v during both linking and compiling and the commands used by codeblocks.
Here is the information for linking:
g++ -o bin/Debug/p_class_test obj/Debug/Thread_Pool/thread_helper.o obj/Debug/Thread_Pool/thread_pool.o obj/Debug/Desktop/kmap_testing/hash_methods.o obj/Debug/Desktop/p_class_test/p_classtest.o obj/Debug/Desktop/p_class_test/refmanager.o -v -stdlib=libc++
Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
Target: x86_64-apple-darwin12.5.0
Thread model: posix
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld" -demangle -dynamic -arch x86_64 -macosx_version_min 10.8.0 -o bin/Debug/p_class_test obj/Debug/Thread_Pool/thread_helper.o obj/Debug/Thread_Pool/thread_pool.o obj/Debug/Desktop/kmap_testing/hash_methods.o obj/Debug/Desktop/p_class_test/p_classtest.o obj/Debug/Desktop/p_class_test/refmanager.o -lc++ -lSystem /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/5.1/lib/darwin/libclang_rt.osx.a
And here is the information for compiling:
g++ -g -std=c++11 -stdlib=libc++ -v -I/Users/zacharykraus/Desktop/p_class_test/ -I/Users/zacharykraus/Thread_Pool -I/Users/zacharykraus/Desktop/kmap_testing -c /Users/zacharykraus/Desktop/p_class_test/refmanager.cpp -o obj/Debug/Desktop/p_class_test/refmanager.o
Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
Target: x86_64-apple-darwin12.5.0
Thread model: posix
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.8.0 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name refmanager.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 236.3 -v -gdwarf-2 -coverage-file /Users/zacharykraus/Desktop/p_class_test/obj/Debug/Desktop/p_class_test/refmanager.o -resource-dir /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/5.1 -I /Users/zacharykraus/Desktop/p_class_test/ -I /Users/zacharykraus/Thread_Pool -I /Users/zacharykraus/Desktop/kmap_testing -stdlib=libc++ -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /Users/zacharykraus/Desktop/p_class_test -ferror-limit 19 -fmessage-length 0 -stack-protector 1 -mstackrealign -fblocks -fobjc-runtime=macosx-10.8.0 -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fdiagnostics-show-option -vectorize-slp -o obj/Debug/Desktop/p_class_test/refmanager.o -x c++ /Users/zacharykraus/Desktop/p_class_test/refmanager.cpp
clang -cc1 version 5.1 based upon LLVM 3.4svn default target x86_64-apple-darwin12.5.0
ignoring nonexistent directory "/usr/include/c++/v1"
#include "..." search starts here:
#include <...> search starts here:
/Users/zacharykraus/Desktop/p_class_test
/Users/zacharykraus/Thread_Pool
/Users/zacharykraus/Desktop/kmap_testing
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1
/usr/local/include
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/5.1/include
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include
/usr/include
/System/Library/Frameworks (framework directory)
/Library/Frameworks (framework directory)
End of search list.
After a lot of annoyance I finally figured out what the problem with g++ was on codeblocks. The problem is that codeblocks when calling g++ does not use your executable path. Instead it uses your toolchain executable path in the Compiler settings. My toolchain executable path was set to /usr/bin where the apple version of g++ resides. This version actually calls clang++ through a complex series of calls. All I needed to do to fix the issue was to change the toolchain executable path to /usr/local/bin where my actual gnu compiler resides. After this change, I was able to get rid of -stdlib=libc++ and my compilation and linking readouts are below.
compilation:
g++ -g -std=c++11 -v -I/Users/zacharykraus/Desktop/p_class_test/ -I/Users/zacharykraus/Thread_Pool -I/Users/zacharykraus/Desktop/kmap_testing -c /Users/zacharykraus/Thread_Pool/thread_helper.cpp -o obj/Debug/Thread_Pool/thread_helper.o
Using built-in specs.
COLLECT_GCC=g++
Target: x86_64-apple-darwin12.5.0
Configured with: ../gcc-4.8.1/configure --enable-languages=c++,fortran
Thread model: posix
gcc version 4.8.1 (GCC)
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.8.5' '-g' '-std=c++11' '-v' '-I' '/Users/zacharykraus/Desktop/p_class_test/' '-I' '/Users/zacharykraus/Thread_Pool' '-I' '/Users/zacharykraus/Desktop/kmap_testing' '-c' '-o' 'obj/Debug/Thread_Pool/thread_helper.o' '-shared-libgcc' '-mtune=core2'
/usr/local/libexec/gcc/x86_64-apple-darwin12.5.0/4.8.1/cc1plus -quiet -v -I /Users/zacharykraus/Desktop/p_class_test/ -I /Users/zacharykraus/Thread_Pool -I /Users/zacharykraus/Desktop/kmap_testing -D__DYNAMIC__ /Users/zacharykraus/Thread_Pool/thread_helper.cpp -fPIC -feliminate-unused-debug-symbols -quiet -dumpbase thread_helper.cpp -mmacosx-version-min=10.8.5 -mtune=core2 -auxbase-strip obj/Debug/Thread_Pool/thread_helper.o -g -std=c++11 -version -o /var/folders/k5/ywc_m0js3z3byh3yqwbfmfj00000gn/T//ccVidneY.s
GNU C++ (GCC) version 4.8.1 (x86_64-apple-darwin12.5.0)
compiled by GNU C version 4.8.1, GMP version 4.3.1, MPFR version 2.4.1, MPC version 0.8.1
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
ignoring nonexistent directory "/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/../../../../x86_64-apple-darwin12.5.0/include"
#include "..." search starts here:
#include <...> search starts here:
/Users/zacharykraus/Desktop/p_class_test/
/Users/zacharykraus/Thread_Pool
/Users/zacharykraus/Desktop/kmap_testing
/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/../../../../include/c++/4.8.1
/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/../../../../include/c++/4.8.1/x86_64-apple-darwin12.5.0
/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/../../../../include/c++/4.8.1/backward
/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/include
/usr/local/include
/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/include-fixed
/usr/include
/System/Library/Frameworks
/Library/Frameworks
End of search list.
linking:
g++ -o bin/Debug/p_class_test obj/Debug/Thread_Pool/thread_helper.o obj/Debug/Thread_Pool/thread_pool.o obj/Debug/Desktop/kmap_testing/hash_methods.o obj/Debug/Desktop/p_class_test/p_classtest.o obj/Debug/Desktop/p_class_test/refmanager.o -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/local/libexec/gcc/x86_64-apple-darwin12.5.0/4.8.1/lto-wrapper
Target: x86_64-apple-darwin12.5.0
Configured with: ../gcc-4.8.1/configure --enable-languages=c++,fortran
Thread model: posix
gcc version 4.8.1 (GCC)
COMPILER_PATH=/usr/local/libexec/gcc/x86_64-apple-darwin12.5.0/4.8.1/:/usr/local/libexec/gcc/x86_64-apple-darwin12.5.0/4.8.1/:/usr/local/libexec/gcc/x86_64-apple-darwin12.5.0/:/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/:/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/
LIBRARY_PATH=/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/:/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/../../../:/usr/lib/
COLLECT_GCC_OPTIONS='-mmacosx-version-min=10.8.5' '-o' 'bin/Debug/p_class_test' '-v' '-shared-libgcc' '-mtune=core2'
/usr/local/libexec/gcc/x86_64-apple-darwin12.5.0/4.8.1/collect2 -dynamic -arch x86_64 -macosx_version_min 10.8.5 -weak_reference_mismatches non-weak -o bin/Debug/p_class_test -L/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1 -L/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/../../.. obj/Debug/Thread_Pool/thread_helper.o obj/Debug/Thread_Pool/thread_pool.o obj/Debug/Desktop/kmap_testing/hash_methods.o obj/Debug/Desktop/p_class_test/p_classtest.o obj/Debug/Desktop/p_class_test/refmanager.o -lstdc++ -no_compact_unwind -lSystem -lgcc_ext.10.5 -lgcc -lSystem -v
collect2 version 4.8.1
/usr/bin/ld -dynamic -arch x86_64 -macosx_version_min 10.8.5 -weak_reference_mismatches non-weak -o bin/Debug/p_class_test -L/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1 -L/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1/../../.. obj/Debug/Thread_Pool/thread_helper.o obj/Debug/Thread_Pool/thread_pool.o obj/Debug/Desktop/kmap_testing/hash_methods.o obj/Debug/Desktop/p_class_test/p_classtest.o obj/Debug/Desktop/p_class_test/refmanager.o -lstdc++ -no_compact_unwind -lSystem -lgcc_ext.10.5 -lgcc -lSystem -v
#(#)PROGRAM:ld PROJECT:ld64-236.4
configured to support archs: armv6 armv7 armv7s arm64 i386 x86_64 armv6m armv7m armv7em
Library search paths:
/usr/local/lib/gcc/x86_64-apple-darwin12.5.0/4.8.1
/usr/local/lib
/usr/lib
/usr/local/lib
Framework search paths:
/Library/Frameworks/
/System/Library/Frameworks/
Related
I am trying to manually compile a c++ project that uses pybind11. I am able to make it work but I don't understand one compilation problem.
Here is a minimal example: I have a folder containing the makefile and folders lib/, bin/ and src/. src/ contains the following files implementing a function that is just returns 1.
src/hi.hpp
#ifndef hi_hpp
#define hi_hpp
#include <stdio.h>
int get1();
#endif
src/hi.cpp
#include "hi.hpp"
int get1() {
return 1;
}
src/bind_hi.cpp
#include "hi.hpp"
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
#include <pybind11/stl_bind.h>
namespace py = pybind11;
PYBIND11_MODULE( hi, m ) {
m.doc() = "doc"; // optional module docstring
m.def("get1", &get1, "get 1");
}
makefile (working)
CXX:=clang++
CXXFLAGS:=-Ofast -Wall -shared -std=c++11 -undefined dynamic_lookup -fPIC -I/Users/user/opt/anaconda3/include/python3.8 -I/Users/user/opt/anaconda3/lib/python3.8/site-packages/pybind11/include -I/src
EXT:=$(shell python3-config --extension-suffix)
DEPS:= src/hi.cpp src/bind_hi.cpp
hi.$(EXT): $(DEPS)
$(CXX) $(CXXFLAGS) $(DEPS) -o lib/hi$(EXT) -v
clean:
#rm lib/*$(EXT)
.PHONY=clean
Here is the output I get during compilation:
clang++ -Ofast -Wall -shared -std=c++11 -undefined dynamic_lookup -fPIC -I/Users/user/opt/anaconda3/include/python3.8 -I/Users/user/opt/anaconda3/lib/python3.8/site-packages/pybind11/include -I/src src/hi.cpp src/bind_hi.cpp -o lib/hi.cpython-38-darwin.so -v
clang version 10.0.0
Target: x86_64-apple-darwin20.3.0
Thread model: posix
InstalledDir: /Users/user/opt/anaconda3/bin
"/Users/user/opt/anaconda3/bin/clang-10" -cc1 -triple x86_64-apple-macosx10.16.0 -Wdeprecated-objc-isa-usage -Werror=deprecated-objc-isa-usage -emit-obj -disable-free -disable-llvm-verifier -discard-value-names -main-file-name hi.cpp -mrelocation-model pic -pic-level 2 -mthread-model posix -mframe-pointer=all -menable-no-infs -menable-no-nans -menable-unsafe-fp-math -fno-signed-zeros -mreassociate -freciprocal-math -ffp-contract=fast -fno-rounding-math -ffast-math -ffinite-math-only -masm-verbose -munwind-tables -target-cpu penryn -dwarf-column-info -debugger-tuning=lldb -target-linker-version 241.9 -v -resource-dir /Users/user/opt/anaconda3/lib/clang/10.0.0 -I /Users/user/opt/anaconda3/include/python3.8 -I /Users/user/opt/anaconda3/lib/python3.8/site-packages/pybind11/include -I /src -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -stdlib=libc++ -internal-isystem /Users/user/opt/anaconda3/bin/../include/c++/v1 -internal-isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1 -internal-isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/local/include -internal-isystem /Users/user/opt/anaconda3/lib/clang/10.0.0/include -internal-externc-isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include -Ofast -Wall -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /Users/user/Documents/python_package_example -ferror-limit 19 -fmessage-length 158 -stack-protector 1 -fblocks -fencode-extended-block-signature -fregister-global-dtors-with-atexit -fgnuc-version=4.2.1 -fobjc-runtime=macosx-10.16.0 -fcxx-exceptions -fexceptions -fmax-type-align=16 -fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp -o /var/folders/xy/lcpszqt54bg9_4xnrhdk9j500000gp/T/hi-ffd9cb.o -x c++ src/hi.cpp
clang -cc1 version 10.0.0 based upon LLVM 10.0.0 default target x86_64-apple-darwin20.3.0
ignoring nonexistent directory "/Users/user/opt/anaconda3/lib/python3.8/site-packages/pybind11/include"
ignoring nonexistent directory "/src"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1"
ignoring nonexistent directory
"/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/local/include"
ignoring nonexistent directory
"/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/Library/Frameworks"
#include "..." search starts here:
#include <...> search starts here:
/Users/user/opt/anaconda3/include/python3.8
/Users/user/opt/anaconda3/bin/../include/c++/v1
/Users/user/opt/anaconda3/lib/clang/10.0.0/include
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks (framework directory)
End of search list.
"/Users/user/opt/anaconda3/bin/clang-10" -cc1 -triple x86_64-apple-macosx10.16.0 -Wdeprecated-objc-isa-usage -Werror=deprecated-objc-isa-usage -emit-obj -disable-free -disable-llvm-verifier -discard-value-names -main-file-name bind_hi.cpp -mrelocation-model pic -pic-level 2 -mthread-model posix -mframe-pointer=all -menable-no-infs -menable-no-nans -menable-unsafe-fp-math -fno-signed-zeros -mreassociate -freciprocal-math -ffp-contract=fast -fno-rounding-math -ffast-math -ffinite-math-only -masm-verbose -munwind-tables -target-cpu penryn -dwarf-column-info -debugger-tuning=lldb -target-linker-version 241.9 -v -resource-dir /Users/user/opt/anaconda3/lib/clang/10.0.0 -I /Users/user/opt/anaconda3/include/python3.8 -I /Users/user/opt/anaconda3/lib/python3.8/site-packages/pybind11/include -I /src -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk -stdlib=libc++ -internal-isystem /Users/user/opt/anaconda3/bin/../include/c++/v1 -internal-isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1 -internal-isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/local/include -internal-isystem /Users/user/opt/anaconda3/lib/clang/10.0.0/include -internal-externc-isystem /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include -Ofast -Wall -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /Users/user/Documents/python_package_example -ferror-limit 19 -fmessage-length 158 -stack-protector 1 -fblocks -fencode-extended-block-signature -fregister-global-dtors-with-atexit -fgnuc-version=4.2.1 -fobjc-runtime=macosx-10.16.0 -fcxx-exceptions -fexceptions -fmax-type-align=16 -fdiagnostics-show-option -fcolor-diagnostics -vectorize-loops -vectorize-slp -o /var/folders/xy/lcpszqt54bg9_4xnrhdk9j500000gp/T/bind_hi-4642ed.o -x c++ src/bind_hi.cpp
clang -cc1 version 10.0.0 based upon LLVM 10.0.0 default target x86_64-apple-darwin20.3.0
ignoring nonexistent directory "/Users/user/opt/anaconda3/lib/python3.8/site-packages/pybind11/include"
ignoring nonexistent directory "/src"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/c++/v1"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/local/include"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/Library/Frameworks"
#include "..." search starts here:
#include <...> search starts here:
/Users/user/opt/anaconda3/include/python3.8
/Users/user/opt/anaconda3/bin/../include/c++/v1
/Users/user/opt/anaconda3/lib/clang/10.0.0/include
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks (framework directory)
End of search list.
src/bind_hi.cpp:9:10: fatal error: 'pybind11/pybind11.h' file not found
#include <pybind11/pybind11.h>
^~~~~~~~~~~~~~~~~~~~~
1 error generated.
make: *** [hi..cpython-38-darwin.so] Error 1
This output deviates from that during successful compilation at the line:
ignoring nonexistent directory "/Users/user/opt/anaconda3/lib/python3.8/site-packages/pybind11/include"
I have recently attempted to download (using Homebrew) Eigen (a C++ library) and compile the example program on Eigen's website https://eigen.tuxfamily.org/dox/GettingStarted.html.
I get a error in terminal that is:
EigenExample1.cpp:10:10: fatal error: 'Eigen/Dense' file not found #include < Eigen/Dense >
I have double checked to make sure homebrew was updated and the eigen3 folder does exist in /usr/local/include. In addition I do have command line tools installed and cpp -v returns:
Apple LLVM version 8.0.0 (clang-800.0.42.1)
Target: x86_64-apple-darwin16.3.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.12.0 -Wdeprecated-objc-isa-usage -Werror=deprecated-objc-isa-usage -E -disable-free -disable-llvm-verifier -discard-value-names -main-file-name - -mrelocation-model pic -pic-level 2 -mthread-model posix -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu penryn -target-linker-version 274.2 -v -dwarf-column-info -debugger-tuning=lldb -resource-dir /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.0.0 -I /usr/include -fdebug-compilation-dir /Users/name/MNISTNeuralNetwork/Eigen -ferror-limit 19 -fmessage-length 80 -stack-protector 1 -fblocks -fobjc-runtime=macosx-10.12.0 -fencode-extended-block-signature -fmax-type-align=16 -fdiagnostics-show-option -fcolor-diagnostics -traditional-cpp -o - -x c -
clang -cc1 version 8.0.0 (clang-800.0.42.1) default target x86_64-apple-darwin16.3.0
ignoring duplicate directory "/usr/include"
as it is a non-system directory that duplicates a system directory
\#include "..." search starts here:
\#include <...> search starts here:
/usr/local/include
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.0.0/include
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include
/usr/include
/System/Library/Frameworks (framework directory)
/Library/Frameworks (framework directory)
End of search list.
When you install using Homebrew, the Eigen directory is nested inside include/eigen3. You should be able to compile with the following flags:
g++ -I "$(brew --prefix eigen)/include/eigen3" my_program.cpp -o my_program
Indeed, this is how the Homebrew installation is tested.
A file in my project fails to compile with
'unordered_map' file not foundIn file included from ...
This is despite I compile with -std=c++ and a directory that has unordered_map in it is in system include paths.
clang -std=c++14 -x c++ -v -E /dev/null
results in the output below. /Applications/Xcode_7.3.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1 does contain unordered_map.
Apple LLVM version 7.3.0 (clang-703.0.31)
Target: x86_64-apple-darwin15.6.0
Thread model: posix
InstalledDir: /Applications/Xcode_7.3.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
"/Applications/Xcode_7.3.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.11.0 -Wdeprecated-objc-isa-usage -Werror=deprecated-objc-isa-usage -E -disable-free -disable-llvm-verifier -main-file-name null -mrelocation-model pic -pic-level 2 -mthread-model posix -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 264.3.102 -v -dwarf-column-info -resource-dir /Applications/Xcode_7.3.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/7.3.0 -stdlib=libc++ -std=c++14 -fdeprecated-macro -fdebug-compilation-dir /Users/ovz -ferror-limit 19 -fmessage-length 80 -stack-protector 1 -fblocks -fobjc-runtime=macosx-10.11.0 -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fmax-type-align=16 -fdiagnostics-show-option -fcolor-diagnostics -o - -x c++ /dev/null
clang -cc1 version 7.3.0 (clang-703.0.31) default target x86_64-apple-darwin15.6.0
ignoring nonexistent directory "/usr/include/c++/v1"
#include "..." search starts here:
#include <...> search starts here: /Applications/Xcode_7.3.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1
/usr/local/include
/Applications/Xcode_7.3.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/7.3.0/include
/Applications/Xcode_7.3.1.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include
/usr/include
/System/Library/Frameworks (framework directory)
/Library/Frameworks (framework directory)
End of search list.
You need to pass this option:
-stdlib=libc++
to select libc++.
I heard people said that AppleClang uses an old version of libstdc++ (probably from g++) by default. I'm not sure why they made that decision (needless to say, it's understandable in GNU/Linux because most of the time, GNU/Linux is shipped with libstdc++ from g++).
I just updated to Sierra and it seems my compiler fell apart for some reason.
The code I wrote worked fine before the update, so I'm sure its not an issue there but now it just isn't working what so ever when I try to execute it.
Here is the output.
$ g++ source.cpp
$ ./a.out
dyld: mach-o, but built for simulator (not macOS)
Abort trap: 6
Running G++ with verbose for #NulledPointer
$ g++ --verbose source.cpp
Apple LLVM version 8.0.0 (clang-800.0.38)
Target: x86_64-apple-darwin16.1.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang" -cc1 -triple x86_64-apple-ios7.0.0 -Wdeprecated-objc-isa-usage -Werror=deprecated-objc-isa-usage -Werror=implicit-function-declaration -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -discard-value-names -main-file-name source.cpp -mrelocation-model pic -pic-level 2 -mthread-model posix -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 274.1 -v -dwarf-column-info -debugger-tuning=lldb -resource-dir /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.0.0 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk -stdlib=libc++ -Wno-error -fdeprecated-macro -fdebug-compilation-dir /Users/USERNAME/FILE_DIRECTORY/ -ferror-limit 19 -fmessage-length 130 -stack-protector 1 -fblocks -fobjc-runtime=ios-7.0.0 -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fmax-type-align=16 -fdiagnostics-show-option -fcolor-diagnostics -o /var/folders/kr/tvqfrgdx2w32m0c9fq96zddc0000gn/T/source-355902.o -x c++ source.cpp
clang -cc1 version 8.0.0 (clang-800.0.38) default target x86_64-apple-darwin16.1.0
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk/usr/include/c++/v1"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk/usr/local/include"
#include "..." search starts here:
#include <...> search starts here:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.0.0/include
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk/usr/include
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk/System/Library/Frameworks (framework directory)
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk/Library/Frameworks (framework directory)
End of search list.
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld" -demangle -dynamic -arch x86_64 -ios_simulator_version_min 7.0.0 -syslibroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk -o a.out /var/folders/kr/tvqfrgdx2w32m0c9fq96zddc0000gn/T/source-355902.o -lc++ -lSystem /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/8.0.0/lib/darwin/libclang_rt.ios.a
Error from running that command NulledPointer posted.
clang: warning: no such sysroot directory: '/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk'
clang: warning: using sysroot for 'MacOSX' but targeting 'iPhone'
In file included from source.cpp:10:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iostream:38:
In file included from /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/ios:215:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../include/c++/v1/iosfwd:90:10: fatal error:
'wchar.h' file not found
#include <wchar.h> // for mbstate_t
^
1 error generated.
There are multiple options:
Try installing missing tools (if any) using xcode-select --install and try compiling. If that fails,
Try running gcc -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk source.cpp. This obviously assuming you have SDK installed in that location. Replace with whatever location exist there.
I'm trying to compile my very first SDL program, but it doesn't compile.By the way, this shouldn't be about setting up the library I guess because I think that I installed the library properly.
This is my command :
g++ main.cpp -o main -I/Library/Frameworks/SDL2.framework/Headers -framework SDL2
This is my code :
#include <iostream>
#include <SDL.h>
int main(int argc, char **argv){
if (SDL_Init(SDL_INIT_EVERYTHING) != 0){
std::cout << "SDL_Init Error: " << SDL_GetError() << std::endl;
return 1;
}
SDL_Quit();
return 0;
}
And this is the error message :
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Invocation :
Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
Target: x86_64-apple-darwin13.1.0
Thread model: posix
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang" -cc1 -triple x86_64-apple-macosx10.9.0 -emit-obj -mrelax-all -disable-free -disable-llvm-verifier -main-file-name main.cpp -mrelocation-model pic -pic-level 2 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 224.1 -v -resource-dir /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/5.0 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk -I /Library/Frameworks/SDL2.framework/Headers -stdlib=libc++ -fdeprecated-macro -fdebug-compilation-dir /Users/yunusaydin -ferror-limit 19 -fmessage-length 80 -stack-protector 1 -mstackrealign -fblocks -fobjc-runtime=macosx-10.9.0 -fobjc-dispatch-method=mixed -fobjc-default-synthesize-properties -fencode-extended-block-signature -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o /var/folders/ss/mltsqt6n3jn2kv85gmyn060r0000gn/T/main-Ref4XX.o -x c++ main.cpp
clang -cc1 version 5.0 based upon LLVM 3.3svn default target x86_64-apple-darwin13.1.0
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include/c++/v1"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/local/include"
ignoring nonexistent directory "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/Library/Frameworks"
#include "..." search starts here:
#include <...> search starts here:
/Library/Frameworks/SDL2.framework/Headers
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/c++/v1
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/5.0/include
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/usr/include
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk/System/Library/Frameworks (framework directory)
End of search list.
"/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld" -demangle -dynamic -arch x86_64 -macosx_version_min 10.9.0 -syslibroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk -o main /var/folders/ss/mltsqt6n3jn2kv85gmyn060r0000gn/T/main-Ref4XX.o -framework SDL2 -lc++ -lSystem /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/5.0/lib/darwin/libclang_rt.osx.a
ld: framework not found SDL2
What am I doing wrong? Thanks for help :)
Finally, this command works :
g++ main.cpp -o main -I/Library/Frameworks/SDL2.framework/Headers -F/Library/Frameworks -framework SDL2
/Library/Frameworks/SDL2.framework/Headers probably does not exist on your system.