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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
committed by Fabian Homborg
parent 0f2470d45a
commit 8737b654bf
1 changed files with 10 additions and 2 deletions
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12
cmake/ConfigureChecks.cmake
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@@ -75,9 +75,17 @@ 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)