X-Git-Url: https://git.jankratochvil.net/?a=blobdiff_plain;f=bin%2Ferrs1;h=65903c8f3da1c0ed0f25fae8b6e59e0e8ed84c49;hb=ec43c7627b731e3b684aee00285b01122188b3a4;hp=66fe83c58db7ec065090e18b4bb196392d2a0a80;hpb=a1346c39e992d88819c5416568360f6bea69bd75;p=nethome.git

diff --git a/bin/errs1 b/bin/errs1
index 66fe83c..65903c8 100755
--- a/bin/errs1
+++ b/bin/errs1
@@ -1,23 +1,104 @@
 #! /bin/sh
 # $Id$
 
-configure="./configure"
-if [ "${1#*/configure}" != "$1" ];then
-	configure="$1"
-	shift
-fi
+renice +19 -p $$; ionice -c3 -p $$
+
 customss="--enable-static --disable-shared"
-if [ "$1" = "--origss" ];then
-	customss=
-	shift
-fi
+customm="-m64"
+target=
+targets=
+configure="./configure"
+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
+	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													\
-		"-ggdb2 -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4"	\
-		"-ggdb2 -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions"						\
+		"$debug -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4"	\
+		"$debug -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions"						\
 		""													\
 		;do
 		if [ -z "$flags" ];then
@@ -25,14 +106,23 @@ fi
 			echo >&2 "flags error"
 			exit 1
 		fi
-		gcc $flags -c errs1.c -o /dev/null && break
+		"$CC" $flags -c errs1.c -o /dev/null && break
 	done
-	if gcc -m64 -c errs1.c -o /dev/null;then
-		flags="-m64 $flags"
+	if test -n "$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" $customss --enable-debug "$@"
+	export CFLAGS_FOR_TARGET="$flags"
+	export CXXFLAGS_FOR_TARGET="$flags"
+	export LDFLAGS="$ldflags"
+
+	time nice "$configure" $target $targets $customss --enable-debug $maintainer $werror "$@"
+	touch errs1.ok
 	) 2>&1|tee errs1
+test -f errs1.ok
+rc=$?
+rm -f errs1.ok
+exit $rc