X-Git-Url: http://git.jankratochvil.net/?a=blobdiff_plain;f=bin%2Ferrs12;h=4970709604f82f19d6349fc7fe1b00f106139b7c;hb=fb4e461bad4c2423f7c7377d06d0e18fe7b45553;hp=634e7e25496a4486518dd1d9bd1eed1d979fb3c0;hpb=0e92d8c1c45154d13a836231b4ef465aac32a747;p=nethome.git

diff --git a/bin/errs12 b/bin/errs12
index 634e7e2..4970709 100755
--- a/bin/errs12
+++ b/bin/errs12
@@ -1,20 +1,26 @@
-#! /bin/sh
+#! /bin/bash
 # $Id$
 
 renice +19 -p $$; ionice -c3 -p $$
 
-# For ctags
-PS1=x
-. ~/.bashrc
+# Do not use for ctags - it would override $PATH:
+# PS1=x; . ~/.bashrc
+function ctags {(unset ctags; PS1=x; . ~/.bashrc; ctags; );}
 
 customss="--enable-static --disable-shared"
 customm="-m64"
 target=
 targets=
 configure="./configure"
-debug="-ggdb2"
+# >=4.7 has small macros section.
+if gcc --version|perl -ne 'exit(!(/(\d+)\.(\d+)/&&($1>4||($1==4&&$2>=7))));';then
+  debug="-g3"
+else
+  debug="-g2"
+fi
 ldflags="-lmcheck"
 fast=false
+readline=""
 
 while true
 do
@@ -59,7 +65,7 @@ do
 	if [ "$1" = "-s" ];then
 		# -O0 is important to override GCC -O2.
 		debug="-O0 -s"
-		ldflags=""
+		#ldflags=""
 		shift
 		continue
 	fi
@@ -93,11 +99,19 @@ rm -f errs1.ok
 	if test -f `dirname $configure`/gcc/reload.c;then
 		werror="--disable-werror"
 		customm=""
+		# --disable-static would fail on finding built libstdc++ due to -static-libstdc++.
+		# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49829
+		#customss=""
 		customss="--disable-static --enable-shared"
 	else
 		werror=""
 	fi
 
+	if test -d readline/doc && ! test -e readline/readline.c;then
+		# Fedora gdb.spec prep.
+		readline="--with-system-readline"
+	fi
+
 	test -z "$CC" && CC=gcc
 	: >errs1.c
 	for flags in													\
@@ -110,7 +124,10 @@ rm -f errs1.ok
 			echo >&2 "flags error"
 			exit 1
 		fi
-		"$CC" $flags -c errs1.c -o /dev/null && break
+		# Use -Werror:
+		# cc1: warnings being treated as errors
+		# archive.c:1: error: -fstack-protector not supported for this target
+		"$CC" $flags -Werror -c errs1.c -o /dev/null && break
 	done
 	if test -n "$customm" && "$CC" $customm -c errs1.c -o /dev/null;then
 		flags="$customm $flags"
@@ -123,7 +140,7 @@ rm -f errs1.ok
 	export CXXFLAGS_FOR_TARGET="$flags"
 	export LDFLAGS="$ldflags"
 
-	time nice "$configure" $target $targets $customss --enable-debug --disable-sim --enable-gold=both $maintainer $werror --with-separate-debug-dir=/usr/lib/debug "$@"
+	time nice "$configure" $target $targets $customss $readline --enable-debug --disable-sim --enable-gold --enable-plugins $maintainer $werror --with-separate-debug-dir=/usr/lib/debug "$@"
 
 	(ctags; test -d gdb && (cd gdb; ctags; cd testsuite; ctags; cd ../gdbserver; ctags)) &