diff options
| -rw-r--r-- | kde-modules/KDECompilerSettings.cmake | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/kde-modules/KDECompilerSettings.cmake b/kde-modules/KDECompilerSettings.cmake index 138bddb1..f0d1aefe 100644 --- a/kde-modules/KDECompilerSettings.cmake +++ b/kde-modules/KDECompilerSettings.cmake @@ -102,13 +102,9 @@ macro (_KDE_ADD_PLATFORM_DEFINITIONS) set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} ${ARGV}) endmacro() -if (UNIX) - # Enable basically everything portable across modern UNIX systems. - # See http://www.delorie.com/gnu/docs/glibc/libc_13.html, although - # this define is for the benefit of other libc implementations - # (since _GNU_SOURCE is defined below). - _kde_add_platform_definitions(-D_XOPEN_SOURCE=500) - +include(CheckSymbolExists) +check_symbol_exists("__GLIBC__" "stdlib.h" LIBC_IS_GLIBC) +if (LIBC_IS_GLIBC) # Enable everything in GNU libc. Any code using non-portable features # needs to perform feature tests, but this ensures that any such features # will be found if they exist. @@ -118,7 +114,9 @@ if (UNIX) # functions). This, however, means that strlcat and strlcpy are not # provided by glibc. _kde_add_platform_definitions(-D_GNU_SOURCE) +endif () +if (UNIX) # Enable extra API for using 64-bit file offsets on 32-bit systems. # FIXME: this is included in _GNU_SOURCE in glibc; do other libc # implementation recognize it? |