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meson: fix internal printf for %ll format modifier on 32-bit systems

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gst/gstprintf unit test would fail on 32-bit x86 with:
gstprintf.c:83:printf_I32_I64:0: 'str' (64-bit x value = b5a6978f) is not equal to '"64-bit x value = f1e2d3c4b5a6978f"'
This commit is contained in:
Tim-Philipp Müller 2016-09-24 18:06:31 +01:00
parent f8e3637dc7
commit 557e06a6f1
1 changed files with 63 additions and 8 deletions
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71
gst/printf/meson.build
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@ -7,14 +7,69 @@ printf_sources = [
'printf-extension.c',
]
printf_args = gst_c_args + [
# '-UHAVE_LONG_DOUBLE',
# '-UHAVE_LONG_LONG_FORMAT',
# ' -UHAVE_WCHAR_T',
# '-UHAVE_WCSLEN',
# '-UHAVE_WINT_T',
'-DSTATIC=G_GNUC_INTERNAL',
]
printf_args = gst_c_args + ['-DSTATIC=G_GNUC_INTERNAL']
# Don't have a need for that and it's not portable so just ignore for now
printf_args += ['-UHAVE_LONG_DOUBLE']
# Just use internal emulation for printing long longs for now
printf_args += ['-UHAVE_LONG_LONG_FORMAT']
# Don't need any of this widechar stuff, so just disable it for now
printf_args += ['-UHAVE_WCHAR_T', '-UHAVE_WCSLEN', '-UHAVE_WINT_T']
# Check if 'long long' works and what format can be used to print it
# jm_AC_TYPE_LONG_LONG
if cc.compiles('''long long ll = 1LL;
int i = 63;
int some_func (void) {
long long llmax = (long long) -1;
return ll << i | ll >> i | llmax / ll | llmax % ll;
}''', name : 'long long')
printf_args += ['-DHAVE_LONG_LONG']
have_long_long = true
else
have_long_long = false
endif
# The following uintmax_t/intmax_t checks are also in glib
found_uintmax_t = false
# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
# doesn't clash with <sys/types.h>, and declares uintmax_t.
# jm_AC_HEADER_INTTYPES_H
if cc.compiles('''#include <sys/types.h>
#include <inttypes.h>
uintmax_t i = (uintmax_t) -1;
''', name : 'uintmax_t in inttypes.h')
printf_args += ['-DHAVE_INTTYPES_H_WITH_UINTMAX']
found_uintmax_t = true
endif
# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
# doesn't clash with <sys/types.h>, and declares uintmax_t.
# jm_AC_HEADER_STDINT_H
if cc.compiles('''#include <sys/types.h>
#include <stdint.h>
uintmax_t i = (uintmax_t) -1;
''', name : 'uintmax_t in stdint.h')
printf_args += ['-DHAVE_STDINT_H_WITH_UINTMAX']
found_uintmax_t = true
endif
# Define intmax_t to 'long' or 'long long'
# if it is not already defined in <stdint.h> or <inttypes.h>.
# For simplicity, we assume that a header file defines 'intmax_t'
# if and only if it defines 'uintmax_t'.
printf_args += ['-DHAVE_INTMAX_T']
if not found_uintmax_t
if have_long_long
printf_args += ['-Dintmax_t=long long']
else
printf_args += ['-Dintmax_t=long']
endif
endif
printf_lib = static_library('gstprintf',
printf_sources,