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Diffstat (limited to 'cmake/tuklib_common.cmake')
| -rw-r--r-- | cmake/tuklib_common.cmake | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/cmake/tuklib_common.cmake b/cmake/tuklib_common.cmake new file mode 100644 index 0000000..088a3cb --- /dev/null +++ b/cmake/tuklib_common.cmake @@ -0,0 +1,49 @@ +# +# tuklib_common.cmake - common functions and macros for tuklib_*.cmake files +# +# Author: Lasse Collin +# +# This file has been put into the public domain. +# You can do whatever you want with this file. +# + +function(tuklib_add_definitions TARGET_OR_ALL DEFINITIONS) + # DEFINITIONS may be an empty string/list but it's fine here. There is + # no need to quote ${DEFINITIONS} as empty arguments are fine here. + if(TARGET_OR_ALL STREQUAL "ALL") + add_compile_definitions(${DEFINITIONS}) + else() + target_compile_definitions("${TARGET_OR_ALL}" PRIVATE ${DEFINITIONS}) + endif() +endfunction() + +function(tuklib_add_definition_if TARGET_OR_ALL VAR) + if(${VAR}) + tuklib_add_definitions("${TARGET_OR_ALL}" "${VAR}") + endif() +endfunction() + +# This is an over-simplified version of AC_USE_SYSTEM_EXTENSIONS in Autoconf +# or gl_USE_SYSTEM_EXTENSIONS in gnulib. +macro(tuklib_use_system_extensions TARGET_OR_ALL) + if(NOT WIN32) + # FIXME? The Solaris-specific __EXTENSIONS__ should be conditional + # even on Solaris. See gnulib: git log m4/extensions.m4. + # FIXME? gnulib and autoconf.git has lots of new stuff. + tuklib_add_definitions("${TARGET_OR_ALL}" + _GNU_SOURCE + __EXTENSIONS__ + _POSIX_PTHREAD_SEMANTICS + _TANDEM_SOURCE + _ALL_SOURCE + ) + + list(APPEND CMAKE_REQUIRED_DEFINITIONS + -D_GNU_SOURCE + -D__EXTENSIONS__ + -D_POSIX_PTHREAD_SEMANTICS + -D_TANDEM_SOURCE + -D_ALL_SOURCE + ) + endif() +endmacro() |