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Merge branch 'fix-gnulib-msvc-isnan' into 'master'

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meson: Fix gnulib build where isnan*() is needed

See merge request GNOME/glib!1524
This commit is contained in:
Philip Withnall 2020-06-17 10:15:37 +00:00
commit 40ff2a5718
1 changed files with 24 additions and 7 deletions
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31
glib/gnulib/meson.build
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@ -191,29 +191,47 @@ nan_tmpl = '''#include <math.h>
int main () {return @0@ (x);}
'''
links = cc.links (nan_tmpl.format ('isnan', 'double', '__builtin_isnan'),
links = cc.links (nan_tmpl.format ('isnand', 'double', '__builtin_isnan'),
dependencies : [libm])
math_h_config.set ('HAVE_ISNAN', links ? 1 : 0)
math_h_config.set ('HAVE_ISNAN_IN_LIBC', links ? 1 : 0)
set_variable ('have_isnan', links)
math_h_config.set ('HAVE_ISNAND', links ? 1 : 0)
math_h_config.set ('HAVE_ISNAND_IN_LIBC', links ? 1 : 0)
set_variable ('have_isnand', links)
if links
extra_gnulib_args += '-DHAVE_ISNAN_IN_LIBC'
extra_gnulib_args += '-DHAVE_ISNAND_IN_LIBC'
endif
links = cc.links (nan_tmpl.format ('isnanf', 'float', '__builtin_isnanf'),
dependencies : [libm])
math_h_config.set ('HAVE_ISNANF', links ? 1 : 0)
math_h_config.set ('HAVE_ISNANF_IN_LIBC', links ? 1 : 0)
set_variable ('have_isnanf', links)
if links
extra_gnulib_args += '-DHAVE_ISNANF_IN_LIBC'
endif
links = cc.links (nan_tmpl.format ('isnanl', 'long double', '__builtin_isnanl'),
dependencies : [libm])
math_h_config.set ('HAVE_ISNANL', links ? 1 : 0)
math_h_config.set ('HAVE_ISNANL_IN_LIBC', links ? 1 : 0)
set_variable ('have_isnanl', links)
if links
extra_gnulib_args += '-DHAVE_ISNANL_IN_LIBC'
endif
math_h_config.set ('REPLACE_ISNAN', (have_isnand and have_isnanf and have_isnanl) ? 0 : 1)
other_needed_math_sources = []
if not (have_isnand and have_isnanf and have_isnanl)
other_needed_math_sources += [ 'isnand.c', 'isnanf.c', 'isnanl.c' ]
endif
links = cc.links ('''#include <math.h>
double x;
int y;
@ -312,7 +330,6 @@ inf_tmpl = '''#include <math.h>
int main () {return @0@ (x);}
'''
other_needed_math_sources = []
# Some compilers may not have isfinite, isinf available
foreach f: ['isfinite', 'isinf', 'signbit']
links = cc.links (inf_tmpl.format('@0@'.format(f)),
@ -334,7 +351,7 @@ math_h = configure_file (input: 'gnulib_math.h.in',
output: 'gnulib_math.h',
configuration: math_h_config)
gnulib_sources = ['asnprintf.c', 'printf.c', 'printf-args.c', 'printf-parse.c', 'printf-frexp.c', 'printf-frexpl.c', 'isnand.c', 'isnanl.c', 'vasnprintf.c', 'xsize.c']
gnulib_sources = ['asnprintf.c', 'printf.c', 'printf-args.c', 'printf-parse.c', 'printf-frexp.c', 'printf-frexpl.c', 'vasnprintf.c', 'xsize.c']
if not gl_cv_func_frexp_works
gnulib_sources += ['frexp.c']