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argh, forgot to svn add...

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This commit is contained in:
Benoit Jacob 2007-06-04 19:30:50 +00:00
parent e198eb437c
commit e3a45173b5
1 changed files with 44 additions and 0 deletions
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cmake/CheckAlwaysInline.cmake Normal file
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# This module checks if the C++ compiler supports
# __attribute__((always_inline)).
#
# If yes, _RESULT is set to __attribute__((always_inline)).
# If no, _RESULT is set to empty value.
#
# Copyright Benoit Jacob 2007 <jacob@math.jussieu.fr>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file in
# kdelibs/cmake/modules.
INCLUDE(CheckCXXSourceCompiles)
MACRO (CHECK_ALWAYS_INLINE _RESULT)
SET(_CHECK_attribute_always_inline_SRC "
#ifdef __GNUC__
# define ALL_IS_WELL
#endif
#ifdef __INTEL_COMPILER
# if (__INTEL_COMPILER == 800) || (__INTEL_COMPILER > 800)
# define ALL_IS_WELL
# endif
#endif
#ifndef ALL_IS_WELL
# error I guess your compiler doesn't support __attribute__((always_inline))
#endif
int main(int argc, char *argv[]) { return 0; }
")
CHECK_CXX_SOURCE_COMPILES("${_CHECK_attribute_always_inline_SRC}"
HAVE_attribute_always_inline)
IF(HAVE_attribute_always_inline)
SET(${_RESULT} "__attribute__((always_inline))")
ELSE(HAVE_attribute_always_inline)
SET(${_RESULT} ) # attribute always_inline unsupported
ENDIF(HAVE_attribute_always_inline)
ENDMACRO (CHECK_ALWAYS_INLINE)