Mercurial > pub > dyncall > dyncall
changeset 150:3cb226f48495
- make cmake based builds check if compiler has -fPIC flag, in order to silence warnings if not (thanks Franklin Mathieu)
| author | cslag |
|---|---|
| date | Sat, 17 Sep 2016 14:15:02 +0200 |
| parents | c12120a1fbc0 |
| children | dac66f0107ea |
| files | CMakeLists.txt |
| diffstat | 1 files changed, 12 insertions(+), 5 deletions(-) [+] |
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--- a/CMakeLists.txt Sat Sep 17 14:10:53 2016 +0200 +++ b/CMakeLists.txt Sat Sep 17 14:15:02 2016 +0200 @@ -41,6 +41,9 @@ enable_language(CXX) endif() +include(CheckCCompilerFlag) +check_c_compiler_flag("-fPIC -Werror" COMPILER_HAS_FPIC) + if(MSVC) enable_language(ASM_MASM) #if(CMAKE_SIZEOF_VOID_P MATCHES 8) @@ -52,10 +55,12 @@ #set(CMAKE_ASM_MASM_SOURCE_FILE_EXTENSIONS asm) #set(CMAKE_ASM_MASM_COMPILE_OBJECT "<CMAKE_ASM_MASM_COMPILER> <FLAGS> /c /Fo <OBJECT> <SOURCE>") elseif(CMAKE_COMPILER_IS_GNUCC OR "${CMAKE_C_COMPILER_ID}" STREQUAL "Intel") - # when used in shared libraries, -fPIC is required by several architectures - # and platforms (observed on AMD64, Solaris/Sparc). - # we enable it per default here. - add_definitions("-fPIC") + if(COMPILER_HAS_FPIC) + # when used in shared libraries, -fPIC is required by several architectures + # and platforms (observed on AMD64, Solaris/Sparc). + # we enable it per default here. + add_definitions("-fPIC") + endif() # enable gcc as front-end to assembler for .S files set(CMAKE_ASM_COMPILER "${CMAKE_C_COMPILER}") set(CMAKE_ASM_COMPILER_ARG1 "${CPPFLAGS} -c") @@ -67,7 +72,9 @@ enable_language(ASM) else() if (CMAKE_C_COMPILER_ID STREQUAL "Clang") - add_definitions("-fPIC") + if(COMPILER_HAS_FPIC) + add_definitions("-fPIC") + endif() # enable gcc as front-end to assembler for .S files set(CMAKE_ASM_COMPILER "${CMAKE_C_COMPILER}") set(CMAKE_ASM_COMPILER_ARG1 "${CPPFLAGS} -c")