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Define _GNU_SOURCE for wcstod_l check

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This commit is contained in:
Mahmoud Al-Qudsi 2019-01-02 14:05:06 -06:00
parent 41b3331175
commit 74422e476b
1 changed files with 6 additions and 0 deletions
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6
cmake/ConfigureChecks.cmake
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@ -33,6 +33,7 @@ INCLUDE(CheckIncludeFiles)
INCLUDE(CheckStructHasMember)
INCLUDE(CheckCXXSourceCompiles)
INCLUDE(CheckTypeSize)
INCLUDE(CMakePushCheckState)
CHECK_CXX_SYMBOL_EXISTS(backtrace_symbols execinfo.h HAVE_BACKTRACE_SYMBOLS)
CHECK_CXX_SYMBOL_EXISTS(clock_gettime time.h HAVE_CLOCK_GETTIME)
CHECK_CXX_SYMBOL_EXISTS(ctermid_r stdio.h HAVE_CTERMID_R)
@ -77,7 +78,12 @@ CHECK_CXX_SYMBOL_EXISTS(wcsdup wchar.h HAVE_WCSDUP)
CHECK_CXX_SYMBOL_EXISTS(wcslcpy wchar.h HAVE_WCSLCPY)
CHECK_CXX_SYMBOL_EXISTS(wcsncasecmp wchar.h HAVE_WCSNCASECMP)
CHECK_CXX_SYMBOL_EXISTS(wcsndup wchar.h HAVE_WCSNDUP)
CMAKE_PUSH_CHECK_STATE(RESET)
# wcstod_l is a GNU-extension, sometimes hidden behind the following define
LIST(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE=1)
CHECK_CXX_SYMBOL_EXISTS(wcstod_l "wchar.h;xlocale.h" HAVE_WCSTOD_L)
CMAKE_POP_CHECK_STATE()
CHECK_CXX_SYMBOL_EXISTS(_sys_errs stdlib.h HAVE__SYS__ERRS)