X-Git-Url: https://git.jankratochvil.net/?p=nethome.git;a=blobdiff_plain;f=bin%2Ferrs1;h=43cda292493ed2e0a748e08de0d5d75537593e31;hp=43d99b89c6a0b9bd627d857a0ae39e78e9fe11af;hb=4243605851773a10d2db6ef4c0b8f228d4e24c07;hpb=ec8ee06f04c2a3e31ca82dfffdfb48adae710861

diff --git a/bin/errs1 b/bin/errs1
index 43d99b8..43cda29 100755
--- a/bin/errs1
+++ b/bin/errs1
@@ -1,17 +1,128 @@
 #! /bin/sh
 # $Id$
 
+renice +19 -p $$; ionice -c3 -p $$
+
+customss="--enable-static --disable-shared"
+customm="-m64"
+target=
+targets=
 configure="./configure"
-if [ "${1#*/configure}" != "$1" ];then
-	configure="$1"
-	shift
-fi
+debug="-ggdb2"
+ldflags="-lmcheck"
+fast=false
+
+while true
+do
+	if [ "$1" = "--origss" ];then
+		customss=
+		shift
+		continue
+	fi
+	if [ "$1" = "--fast" ];then
+		fast=true
+		shift
+		continue
+	fi
+	if [ "$1" = "--shared" ];then
+		customss="--disable-static --enable-shared"
+		shift
+		continue
+	fi
+
+	if [ "$1" = "-m" ];then
+		customm=
+		shift
+		continue
+	fi
+	if [ "$1" = "-m32" ];then
+		customm=-m32
+		case `uname -m` in
+		  i?86|x86_64|ia64) target=i386-unknown-linux-gnu ;;
+		  ppc*)             target=powerpc64-unknown-linux-gnu ;;
+		  s390*)            target=s390-unknown-linux-gnu ;;
+		esac
+		shift
+		continue
+	fi
+
+	if [ "${1#*/configure}" != "$1" ];then
+		configure="$1"
+		shift
+		continue
+	fi
+
+	if [ "$1" = "-s" ];then
+		# -O0 is important to override GCC -O2.
+		debug="-O0 -s"
+		ldflags=""
+		shift
+		continue
+	fi
+
+	break
+done
+
+rm -f errs1.ok
 (
 	set -ex
-	rm -f config.cache
-	flags="-ggdb2"
+	find -name config.cache|xargs rm -f
+
+	# sourceware.org?
+	if test -f `dirname $configure`/bfd/elf64-x86-64.c \
+	     -o -f `dirname $configure`/gcc/reload.c;then
+		maintainer=""
+	else
+		:
+#		maintainer="--enable-maintainer-mode"
+	fi
+	if test -f `dirname $configure`/bfd/elf64-x86-64.c;then
+		test -f g77 || (test -f /usr/bin/gfortran && ln -s /usr/bin/gfortran g77)
+	fi
+	if ! $fast;then
+		targets="$targets --enable-64-bit-bfd"
+	fi
+	if ! $fast && test -f `dirname $configure`/bfd/elf64-x86-64.c -a '(' -d CVS -o -d .git ')';then
+		targets="$targets --enable-targets=all"
+	fi
+
+	if test -f `dirname $configure`/gcc/reload.c;then
+		werror="--disable-werror"
+		customm=""
+		customss="--disable-static --enable-shared"
+	else
+		werror=""
+	fi
+
+	test -z "$CC" && CC=gcc
+	: >errs1.c
+	for flags in													\
+		"$debug -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4"	\
+		"$debug -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions"						\
+		""													\
+		;do
+		if [ -z "$flags" ];then
+			rm -f errs1.c
+			echo >&2 "flags error"
+			exit 1
+		fi
+		"$CC" $flags -c errs1.c -o /dev/null && break
+	done
+	if test -n "$customm" && "$CC" $customm -c errs1.c -o /dev/null;then
+		flags="$customm $flags"
+	fi
+	rm -f errs1.c
 	export CFLAGS="$flags"
 	export CXXFLAGS="$flags"
 	export GCJFLAGS="$flags"
-	time nice "$configure" --enable-static --disable-shared --enable-debug "$@"
+	export CFLAGS_FOR_TARGET="$flags"
+	export CXXFLAGS_FOR_TARGET="$flags"
+	export LDFLAGS="$ldflags"
+
+	time nice "$configure" $target $targets $customss --enable-debug --disable-sim $maintainer $werror --with-separate-debug-dir=/usr/lib/debug "$@"
+	touch errs1.ok
 	) 2>&1|tee errs1
+test -f errs1.ok
+rc=$?
+rm -f errs1.ok
+exit $rc