diff options
Diffstat (limited to 'cmake/checks.cmake')
| -rw-r--r-- | cmake/checks.cmake | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/cmake/checks.cmake b/cmake/checks.cmake index 225c443..62d10d0 100644 --- a/cmake/checks.cmake +++ b/cmake/checks.cmake @@ -9,6 +9,21 @@ if(ARCH_X86 OR ARCH_X86_64) check_c_compiler_flag("-mpclmul" HAVE_PCLMUL) endif(ARCH_X86 OR ARCH_X86_64) + + +if(ENABLE_LTO) + set(CFLAGS_LTO "-flto") + set(CFLAGS_NO_LTO "-fno-lto") + + check_c_compiler_flag("-fwhole-program" HAVE_FLAG_WHOLE_PROGRAM) + if(HAVE_FLAG_WHOLE_PROGRAM) + set(LDFLAGS_LTO "-flto -fwhole-program") + else(HAVE_FLAG_WHOLE_PROGRAM) + set(LDFLAGS_LTO "-flto") + endif(HAVE_FLAG_WHOLE_PROGRAM) +endif(ENABLE_LTO) + + check_c_source_compiles(" #include <sys/types.h> #include <sys/socket.h> |