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Fix C compatibility issue in Meson probe

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Related to:

  <https://fedoraproject.org/wiki/Changes/PortingToModernC>
  <https://fedoraproject.org/wiki/Toolchain/PortingToModernC>
This commit is contained in:
Florian Weimer 2024-01-08 13:33:26 +01:00
parent 7483b83539
commit beecf70924
2 changed files with 43 additions and 0 deletions
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42
mesa-meson-c99.patch Normal file
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@ -0,0 +1,42 @@
meson: C type error in strtod_l/strtof_l probe
Future compilers will fail compilation due to the C type error:
…/testfile.c: In function 'main':
…/testfile.c:12:30: error: passing argument 2 of 'strtod_l' from incompatible pointer type
12 | double d = strtod_l(s, end, loc);
| ^~~
| |
| char *
/usr/include/stdlib.h:416:43: note: expected 'char ** restrict' but argument is of type 'char *'
416 | char **__restrict __endptr, locale_t __loc)
| ~~~~~~~~~~~~~~~~~~^~~~~~~~
…/testfile.c:13:29: error: passing argument 2 of 'strtof_l' from incompatible pointer type
13 | float f = strtof_l(s, end, loc);
| ^~~
| |
| char *
/usr/include/stdlib.h:420:42: note: expected 'char ** restrict' but argument is of type 'char *'
420 | char **__restrict __endptr, locale_t __loc)
| ~~~~~~~~~~~~~~~~~~^~~~~~~~
This means that the probe no longer tests is objective and always
fails.
Submitted upstream: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26927>
diff --git a/meson.build b/meson.build
index 35cc5f1cd5fd9079..1a5d2ba492be0b31 100644
--- a/meson.build
+++ b/meson.build
@@ -1425,8 +1425,8 @@ if cc.links('''
locale_t loc = newlocale(LC_CTYPE_MASK, "C", NULL);
const char *s = "1.0";
char *end;
- double d = strtod_l(s, end, loc);
- float f = strtof_l(s, end, loc);
+ double d = strtod_l(s, &end, loc);
+ float f = strtof_l(s, &end, loc);
freelocale(loc);
return 0;
}''',

1
mesa.spec
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@ -77,6 +77,7 @@ Patch10: gnome-shell-glthread-disable.patch
Patch11: 0001-intel-compiler-reemit-boolean-resolve-for-inverted-i.patch
Patch12: 0001-intel-compiler-fix-release-build-unused-variable.patch
Patch13: disable-zink-egl-fallback.patch
Patch14: mesa-meson-c99.patch
BuildRequires: meson >= 1.2.0
BuildRequires: gcc