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Use check_function_exists() to check for _NSGetEnviron().

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This avoids a compiler generated warning which result in failing to find
the function with -Werror active.  You could argue this is a bug in
CMake: http://public.kitware.com/Bug/view.php?id=13208
This commit is contained in:
John Szakmeister 2014-03-03 17:52:42 -05:00
parent a86da86d98
commit 477031c03b
1 changed files with 6 additions and 2 deletions
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8
config/CMakeLists.txt
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@ -1,6 +1,6 @@
include(CheckTypeSize)
include(CheckIncludeFiles)
include(CheckSymbolExists)
include(CheckFunctionExists)
check_type_size("int" SIZEOF_INT)
check_type_size("long" SIZEOF_LONG)
@ -8,7 +8,11 @@ check_type_size("time_t" SIZEOF_TIME_T)
check_type_size("off_t" SIZEOF_OFF_T)
check_include_files(crt_externs.h HAVE_CRT_EXTERNS_H)
check_symbol_exists(_NSGetEnviron "crt_externs.h" HAVE__NSGETENVIRON)
if (HAVE_CRT_EXTERNS_H)
set(CMAKE_REQUIRED_INCLUDES crt_externs.h)
endif()
check_function_exists(_NSGetEnviron HAVE__NSGETENVIRON)
# generate configuration header and update include directories
configure_file (