Difference between revisions of "CMakeTestInline"

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(New page: Back This handy test is from Jack Kelly on the cmake email list. Here is a minimal working example. It tests the inline keyword, then __inline__ and the...)
 
(Replace content with link to new CMake community wiki)
 
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[[CMake_User_Contributed_Macros|Back]]
{{CMake/Template/Moved}}


This handy test is from Jack Kelly on the cmake email list.
This page has moved [https://gitlab.kitware.com/cmake/community/wikis/contrib/macros/TestInline here].
 
Here is a minimal working example. It tests the inline keyword, then __inline__ and then __inline. When it finds one that works, it will ADD_DEFINITIONS(-Dinline=${KEYWORD}) and if none work, it will ADD_DEFINITIONS(-Dinline=).
 
<pre>
# Inspired from /usr/share/autoconf/autoconf/c.m4
FOREACH(KEYWORD "inline" "__inline__" "__inline")
  IF(NOT DEFINED C_INLINE)
    TRY_COMPILE(C_HAS_${KEYWORD} "${GPUIT_BINARY_DIR}"
      "${GPUIT_SOURCE_DIR}/test_inline.c"
      COMPILE_DEFINITIONS "-Dinline=${KEYWORD}")
    IF(C_HAS_${KEYWORD})
      SET(C_INLINE TRUE)
      ADD_DEFINITIONS("-Dinline=${KEYWORD}")
    ENDIF(C_HAS_${KEYWORD})
  ENDIF(NOT DEFINED C_INLINE)
ENDFOREACH(KEYWORD)
IF(NOT DEFINED C_INLINE)
  ADD_DEFINITIONS("-Dinline=")
ENDIF(NOT DEFINED C_INLINE)
</pre>
 
You also need this file in your source directory.
 
<pre>
/* Test source lifted from /usr/share/autoconf/autoconf/c.m4 */
typedef int foo_t;
static inline foo_t static_foo(){return 0;}
foo_t foo(){return 0;}
int main(int argc, char *argv[]){return 0;}
</pre>

Latest revision as of 15:41, 30 April 2018


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