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meson.build: Test for ptrdiff_t in <stddef.h>

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The build scripts assumed ptrdiff_t to just be around by default. But POSIX
specifies ptrdiff_t to be defined in <stddef.h>, which is now included from
the test.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
This commit is contained in:
Thomas Zimmermann 2019-05-17 11:48:46 +02:00 • committed by Wim Taymans
parent 59fa57f2a3
commit cc5a155c9b
1 changed files with 3 additions and 2 deletions
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5
meson.build
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@ -70,6 +70,7 @@ check_headers = [['dlfcn.h','HAVE_DLFCN_H'],
['inttypes.h', 'HAVE_INTTYPES_H'], ['inttypes.h', 'HAVE_INTTYPES_H'],
['memory.h', 'HAVE_MEMORY_H'], ['memory.h', 'HAVE_MEMORY_H'],
['poll.h', 'HAVE_POLL_H'], ['poll.h', 'HAVE_POLL_H'],
['stddef.h', 'HAVE_STDDEF_H'],
['stdint.h', 'HAVE_STDINT_H'], ['stdint.h', 'HAVE_STDINT_H'],
['stdio_ext.h', 'HAVE_STDIO_EXT_H'], ['stdio_ext.h', 'HAVE_STDIO_EXT_H'],
['strings.h', 'HAVE_STRINGS_H'], ['strings.h', 'HAVE_STRINGS_H'],
@ -113,8 +114,8 @@ if cc.has_function('clock_gettime', prefix : '#include <time.h>')
cdata.set('HAVE_CLOCK_GETTIME', 1) cdata.set('HAVE_CLOCK_GETTIME', 1)
endif endif
if cc.has_type('ptrdiff_t') if cc.has_type('ptrdiff_t', prefix : '#include <stddef.h>')
cdata.set('HAVE_PTRDIFF_T') cdata.set('HAVE_PTRDIFF_T', 1)
endif endif
if cc.has_function('mkstemp', prefix : '#include <stdlib.h>') if cc.has_function('mkstemp', prefix : '#include <stdlib.h>')