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Fix wcstod_l detection under Linux

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This was broken in a8eb02f9f5 when the
detection was corrected for FreeBSD. This patch makes the detection work
for both Linux and FreeBSD instead of one or the other (tested).
This commit is contained in:
Mahmoud Al-Qudsi 2019-01-02 19:07:53 -06:00
parent 3444e1db18
commit 380bae80bf
1 changed files with 10 additions and 2 deletions
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12
cmake/ConfigureChecks.cmake
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@ -90,9 +90,17 @@ 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
# `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)
# `xlocale.h` is required to find `wcstod_l` in `wchar.h` under FreeBSD, but
# it's not present under Linux.
SET(WCSTOD_L_INCLUDES "")
CHECK_INCLUDE_FILES("xlocale.h" HAVE_XLOCALE_H)
IF(HAVE_XLOCALE_H)
LIST(APPEND WCSTOD_L_INCLUDES "xlocale.h")
ENDIF()
LIST(APPEND WCSTOD_L_INCLUDES "wchar.h")
CHECK_CXX_SYMBOL_EXISTS(wcstod_l "${WCSTOD_L_INCLUDES}" HAVE_WCSTOD_L)
CMAKE_POP_CHECK_STATE()
CHECK_CXX_SYMBOL_EXISTS(_sys_errs stdlib.h HAVE__SYS__ERRS)