diff options
Diffstat (limited to 'Modules/CheckConstantExists.cmake')
-rw-r--r-- | Modules/CheckConstantExists.cmake | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/Modules/CheckConstantExists.cmake b/Modules/CheckConstantExists.cmake deleted file mode 100644 index 3d6d97e..0000000 --- a/Modules/CheckConstantExists.cmake +++ /dev/null | |||
@@ -1,38 +0,0 @@ | |||
1 | # - Check if the given constant exists (as an enum, define, or whatever) | ||
2 | # CHECK_CONSTANT_EXISTS (CONSTANT HEADER VARIABLE) | ||
3 | # | ||
4 | # CONSTANT - the name of the constant you are interested in | ||
5 | # HEADER - the header(s) where the prototype should be declared | ||
6 | # VARIABLE - variable to store the result | ||
7 | # | ||
8 | # The following variables may be set before calling this macro to | ||
9 | # modify the way the check is run: | ||
10 | # | ||
11 | # CMAKE_REQUIRED_FLAGS = string of compile command line flags | ||
12 | # CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) | ||
13 | # CMAKE_REQUIRED_INCLUDES = list of include directories | ||
14 | # | ||
15 | # Example: CHECK_CONSTANT_EXISTS(O_NOFOLLOW fcntl.h HAVE_O_NOFOLLOW) | ||
16 | |||
17 | |||
18 | INCLUDE(CheckCSourceCompiles) | ||
19 | |||
20 | MACRO (CHECK_CONSTANT_EXISTS _CONSTANT _HEADER _RESULT) | ||
21 | SET(_INCLUDE_FILES) | ||
22 | FOREACH (it ${_HEADER}) | ||
23 | SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n") | ||
24 | ENDFOREACH (it) | ||
25 | |||
26 | SET(_CHECK_CONSTANT_SOURCE_CODE " | ||
27 | ${_INCLUDE_FILES} | ||
28 | void cmakeRequireConstant(int dummy,...){(void)dummy;} | ||
29 | int main() | ||
30 | { | ||
31 | cmakeRequireConstant(0,${_CONSTANT}); | ||
32 | return 0; | ||
33 | } | ||
34 | ") | ||
35 | CHECK_C_SOURCE_COMPILES("${_CHECK_CONSTANT_SOURCE_CODE}" ${_RESULT}) | ||
36 | |||
37 | ENDMACRO (CHECK_CONSTANT_EXISTS) | ||
38 | |||