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build: workaround compiler warning in meson detection of nl_langinfo()

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Otherwise, `CFLAGS='-Wall -Werror' meson build` fails detection with:

  Running compile:
  Working directory:  /data/src/glib/build/meson-private/tmpa3ebpbos
  Code:
   #include <langinfo.h>
                 int main (int argc, char ** argv) {
                   char *str;
                   str = nl_langinfo (PM_STR);
                   str = nl_langinfo (D_T_FMT);
                   str = nl_langinfo (D_FMT);
                   str = nl_langinfo (T_FMT);
                   str = nl_langinfo (T_FMT_AMPM);
                   str = nl_langinfo (MON_1);
                   str = nl_langinfo (ABMON_12);
                   str = nl_langinfo (DAY_1);
                   str = nl_langinfo (ABDAY_7);
                   return 0;
                 }
  -----------
  Command line: `cc /data/src/glib/build/meson-private/tmpa3ebpbos/testfile.c -o /data/src/glib/build/meson-private/tmpa3ebpbos/output.exe -Werror -Wall -D_FILE_OFFSET_BITS=64 -O0 -std=gnu99` -> 1
  stderr:
  /data/src/glib/build/meson-private/tmpa3ebpbos/testfile.c: In function 'main':
  /data/src/glib/build/meson-private/tmpa3ebpbos/testfile.c:3:24: error: variable 'str' set but not used [-Werror=unused-but-set-variable]
      3 |                  char *str;
        |                        ^~~
  cc1: all warnings being treated as errors
  -----------
  Checking if "nl_langinfo (PM_STR)" : links: NO
This commit is contained in:
Thomas Haller 2024-02-07 10:53:41 +01:00
parent 4bdadb6ccc
commit 509e599eed
1 changed files with 5 additions and 0 deletions
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meson.build
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@ -1330,6 +1330,7 @@ if cc.links('''#include <langinfo.h>
str = nl_langinfo (ABMON_12);
str = nl_langinfo (DAY_1);
str = nl_langinfo (ABDAY_7);
(void) str;
return 0;
}''', name : 'nl_langinfo (PM_STR)')
have_langinfo_time = true
@ -1345,6 +1346,7 @@ if cc.links('''#include <langinfo.h>
str = nl_langinfo (ERA_D_FMT);
str = nl_langinfo (ERA_T_FMT);
str = nl_langinfo (_NL_TIME_ERA_NUM_ENTRIES);
(void) str;
return 0;
}''', name : 'nl_langinfo (ERA)')
glib_conf.set('HAVE_LANGINFO_ERA', 1)
@ -1366,6 +1368,7 @@ if cc.links('''#include <langinfo.h>
str = nl_langinfo (_NL_CTYPE_OUTDIGIT7_MB);
str = nl_langinfo (_NL_CTYPE_OUTDIGIT8_MB);
str = nl_langinfo (_NL_CTYPE_OUTDIGIT9_MB);
(void) str;
return 0;
}''', name : 'nl_langinfo (_NL_CTYPE_OUTDIGITn_MB)')
glib_conf.set('HAVE_LANGINFO_OUTDIGIT', 1)
@ -1393,6 +1396,7 @@ if cc.links('''#ifndef _GNU_SOURCE
str = nl_langinfo (ALTMON_10);
str = nl_langinfo (ALTMON_11);
str = nl_langinfo (ALTMON_12);
(void) str;
return 0;
}''', name : 'nl_langinfo (ALTMON_n)')
glib_conf.set('HAVE_LANGINFO_ALTMON', 1)
@ -1420,6 +1424,7 @@ if cc.links('''#ifndef _GNU_SOURCE
str = nl_langinfo (_NL_ABALTMON_10);
str = nl_langinfo (_NL_ABALTMON_11);
str = nl_langinfo (_NL_ABALTMON_12);
(void) str;
return 0;
}''', name : 'nl_langinfo (_NL_ABALTMON_n)')
glib_conf.set('HAVE_LANGINFO_ABALTMON', 1)