X-Git-Url: https://git.jankratochvil.net/?p=nethome.git;a=blobdiff_plain;f=bin%2Ferrs12;h=4970709604f82f19d6349fc7fe1b00f106139b7c;hp=e7c7e07999550d0d0b059ce887ee7442593a2976;hb=257109ce5b17e8bf1e9990564d3eef7722746c0b;hpb=b950f352c5e5f9d383dc757a8ca437993c77679c

diff --git a/bin/errs12 b/bin/errs12
index e7c7e07..4970709 100755
--- a/bin/errs12
+++ b/bin/errs12
@@ -3,18 +3,24 @@
 
 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
@@ -94,11 +100,18 @@ rm -f errs1.ok
 		werror="--disable-werror"
 		customm=""
 		# --disable-static would fail on finding built libstdc++ due to -static-libstdc++.
-		customss=""
+		# 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 "$CC" && CC=gcc
 	: >errs1.c
 	for flags in													\
@@ -111,7 +124,10 @@ rm -f errs1.ok
 			echo >&2 "flags error"
 			exit 1
 		fi
-		"$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 $flags"
@@ -124,7 +140,7 @@ rm -f errs1.ok
 	export CXXFLAGS_FOR_TARGET="$flags"
 	export LDFLAGS="$ldflags"
 
-	time nice "$configure" $target $targets $customss --enable-debug --disable-sim --enable-gold --enable-plugins $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)) &