From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1791) id CBE313857836; Fri, 28 Oct 2022 17:41:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CBE313857836 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1666978874; bh=nMR6B/zNl6LibERkfPWYuFViUZAdF1VDQO1p954CHl4=; h=From:To:Subject:Date:From; b=ZLAx6ai4BmRYQYnamQR7Hbbo4CjyvIJ/E75yvAyxi3tcieQKhCUnza1ms7ehjDDEm I7yYPis4yhRw5wgmycuwFUwAvGDsqC33DmdsYY2hciz99IpF9peXkoeSv9shxq0/GU rdx7ou6/lGG7x1ovqzquzsSTNlrxmwR2Ob8Gvw3E= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Adhemerval Zanella To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] configure: Use -Wno-maybe-uninitialized iff compiler supports it X-Act-Checkin: glibc X-Git-Author: Adhemerval Zanella X-Git-Refname: refs/heads/azanella/clang X-Git-Oldrev: 981e7ade4c76ea100b3867d0e56ae3f06e706075 X-Git-Newrev: 8d84f2ca397b25cf6e2cd0e3c1d21faf2ab64642 Message-Id: <20221028174114.CBE313857836@sourceware.org> Date: Fri, 28 Oct 2022 17:41:14 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8d84f2ca397b25cf6e2cd0e3c1d21faf2ab64642 commit 8d84f2ca397b25cf6e2cd0e3c1d21faf2ab64642 Author: Adhemerval Zanella Date: Thu Mar 10 16:40:29 2022 -0300 configure: Use -Wno-maybe-uninitialized iff compiler supports it Diff: --- configure | 22 ++++++++++++++++++++++ configure.ac | 8 ++++++++ timezone/Makefile | 2 +- 3 files changed, 31 insertions(+), 1 deletion(-) diff --git a/configure b/configure index fa6d97078e..d506cc43f1 100755 --- a/configure +++ b/configure @@ -6315,6 +6315,28 @@ $as_echo "$libc_cv_wno_ignored_attributes" >&6; } config_vars="$config_vars config-cflags-wno-ignored-attributes = $libc_cv_wno_ignored_attributes" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wno-maybe-uninitialized" >&5 +$as_echo_n "checking for -Wno-maybe-uninitialized... " >&6; } +if ${libc_cv_wno_maybe_uninitialized+:} false; then : + $as_echo_n "(cached) " >&6 +else + if { ac_try='${CC-cc} -Werror -Wno-maybe-uninitialized -xc /dev/null -S -o /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + libc_cv_wno_maybe_uninitialized=-Wno-maybe-uninitialized +else + libc_cv_wno_maybe_uninitialized= +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_wno_maybe_uninitialized" >&5 +$as_echo "$libc_cv_wno_maybe_uninitialized" >&6; } +config_vars="$config_vars +config-cflags-wno-maybe-uninitialized = $libc_cv_wno_maybe_uninitialized" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc puts quotes around section names" >&5 $as_echo_n "checking whether cc puts quotes around section names... " >&6; } if ${libc_cv_have_section_quotes+:} false; then : diff --git a/configure.ac b/configure.ac index 9dc967001a..dd824d90ef 100644 --- a/configure.ac +++ b/configure.ac @@ -1447,6 +1447,14 @@ rm -f conftest*]) LIBC_CONFIG_VAR([config-cflags-wno-ignored-attributes], [$libc_cv_wno_ignored_attributes]) +AC_CACHE_CHECK([for -Wno-maybe-uninitialized], libc_cv_wno_maybe_uninitialized, [dnl + LIBC_TRY_CC_OPTION([-Werror -Wno-maybe-uninitialized], + [libc_cv_wno_maybe_uninitialized=-Wno-maybe-uninitialized], + [libc_cv_wno_maybe_uninitialized=]) +]) +LIBC_CONFIG_VAR([config-cflags-wno-maybe-uninitialized], + [$libc_cv_wno_maybe_uninitialized]) + AC_CACHE_CHECK(whether cc puts quotes around section names, libc_cv_have_section_quotes, [cat > conftest.c <