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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2023-07-27 15:49:52 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-02-09 10:29:18 -0300 |
| commit | 5b96d7fe7f569273a88db5f78e01d41ce088a7f5 (patch) | |
| tree | 3c3114392bca44c67c84be84ff41b46829928be3 | |
| parent | 82918c893a2228b5b12aa7db18470b0238b9f14f (diff) | |
| download | glibc-5b96d7fe7f569273a88db5f78e01d41ce088a7f5.tar glibc-5b96d7fe7f569273a88db5f78e01d41ce088a7f5.tar.gz glibc-5b96d7fe7f569273a88db5f78e01d41ce088a7f5.tar.bz2 glibc-5b96d7fe7f569273a88db5f78e01d41ce088a7f5.zip | |
configure: Use -Wno-restrict iff compiler supports it
| -rwxr-xr-x | configure | 24 | ||||
| -rw-r--r-- | configure.ac | 8 | ||||
| -rw-r--r-- | libio/Makefile | 4 |
3 files changed, 34 insertions, 2 deletions
@@ -7215,6 +7215,30 @@ printf "%s\n" "$libc_cv_wno_maybe_uninitialized" >&6; } config_vars="$config_vars config-cflags-wno-maybe-uninitialized = $libc_cv_wno_maybe_uninitialized" +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -Wno-restrict" >&5 +printf %s "checking for -Wno-restrict... " >&6; } +if test ${libc_cv_wno_restrict+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if { ac_try='${CC-cc} -Werror -Wno-restrict -xc /dev/null -S -o /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } +then : + libc_cv_wno_restrict=-Wno-restrict +else $as_nop + libc_cv_wno_restrict= +fi + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_wno_restrict" >&5 +printf "%s\n" "$libc_cv_wno_restrict" >&6; } +config_vars="$config_vars +config-cflags-wno-restrict = $libc_cv_wno_restrict" + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for -fexcess-precision=standard" >&5 printf %s "checking for -fexcess-precision=standard... " >&6; } if test ${libc_cv_fexcess_precision_standard+y} diff --git a/configure.ac b/configure.ac index f0ef446df3..fc50642673 100644 --- a/configure.ac +++ b/configure.ac @@ -1394,6 +1394,14 @@ AC_CACHE_CHECK([for -Wno-maybe-uninitialized], libc_cv_wno_maybe_uninitialized, LIBC_CONFIG_VAR([config-cflags-wno-maybe-uninitialized], [$libc_cv_wno_maybe_uninitialized]) +AC_CACHE_CHECK([for -Wno-restrict], libc_cv_wno_restrict, [dnl + LIBC_TRY_CC_OPTION([-Werror -Wno-restrict], + [libc_cv_wno_restrict=-Wno-restrict], + [libc_cv_wno_restrict=]) +]) +LIBC_CONFIG_VAR([config-cflags-wno-restrict], + [$libc_cv_wno_restrict]) + AC_CACHE_CHECK([for -fexcess-precision=standard], libc_cv_fexcess_precision_standard, [dnl LIBC_TRY_CC_OPTION([-Werror -fexcess-precision=standard], [libc_cv_fexcess_precision_standard=-fexcess-precision=standard], diff --git a/libio/Makefile b/libio/Makefile index 27623c92a9..385bee9b7d 100644 --- a/libio/Makefile +++ b/libio/Makefile @@ -187,8 +187,8 @@ CFLAGS-tst-bz24153.c += $(no-fortify-source) CFLAGS-tst_putwc.c += -DOBJPFX=\"$(objpfx)\" # These test cases intentionally use overlapping arguments -CFLAGS-tst-sprintf-ub.c += -Wno-restrict $(no-fortify-source) -CFLAGS-tst-sprintf-chk-ub.c += -Wno-restrict $(no-fortify-source) +CFLAGS-tst-sprintf-ub.c += $(config-cflags-wno-restrict) $(no-fortify-source) +CFLAGS-tst-sprintf-chk-ub.c += $(config-cflags-wno-restrict) $(no-fortify-source) LDFLAGS-tst-bz24228 = -Wl,--version-script=tst-bz24228.map |