X-Git-Url: https://git.jankratochvil.net/?p=nethome.git;a=blobdiff_plain;f=bin%2Ferrs12;h=fd308d3edf1cdb4d03256c29b0e91d3bcd8e859f;hp=12f18f5bf07e65b4a0554a5c6f140c0b57b6b6bd;hb=HEAD;hpb=4726f26d74751bbc05eca069cbe6284976aed530

diff --git a/bin/errs12 b/bin/errs12
index 12f18f5..50740c4 100755
--- a/bin/errs12
+++ b/bin/errs12
@@ -1,20 +1,33 @@
-#! /bin/sh
+#! /bin/bash
 # $Id$
 
-renice +19 -p $$; ionice -c3 -p $$
+#renice +19 -p $$; ionice -c3 -p $$
+renice +10 -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"
-ldflags="-lmcheck"
+# >=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
+permissive=""
+asan=""
+#asan="-fsanitize=address -static-libasan"
+mcheck=""
+#mcheck="-lmcheck"
 fast=false
+readline=""
+disablebinutils="--disable-binutils --disable-gas --disable-gold --disable-gprof --disable-ld --disable-gprofng"
+python=""
 
 while true
 do
@@ -59,7 +72,36 @@ do
 	if [ "$1" = "-s" ];then
 		# -O0 is important to override GCC -O2.
 		debug="-O0 -s"
-		ldflags=""
+		shift
+		continue
+	fi
+
+	if [ "$1" = "-fpermissive" ];then
+		permissive="-fpermissive"
+		shift
+		continue
+	fi
+
+	if [ "$1" = "--asan" ];then
+		asan="-fsanitize=address -static-libasan"
+		shift
+		continue
+	fi
+
+	if [ "$1" = "--noasan" ];then
+		asan=""
+		shift
+		continue
+	fi
+
+	if [ "$1" = "--nomcheck" ];then
+		mcheck=""
+		shift
+		continue
+	fi
+
+	if [ "$1" = "--binutils" ];then
+		disablebinutils="--enable-gold"
 		shift
 		continue
 	fi
@@ -89,41 +131,83 @@ rm -f errs1.ok
 	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 ! -e readline/readline/display.c;then # $fast ||
+		targets="$targets --with-system-readline"
+	fi
 
 	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
+
+	if test -z "$python";then
+		if [ -x /usr/bin/python3 ];then
+			python="--with-python=/usr/bin/python3"
+		fi
+	fi
+
 	test -z "$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"						\
-		""													\
+	# -Wp,-D_FORTIFY_SOURCE=2: /usr/include/features.h:329:3: error: #warning _FORTIFY_SOURCE requested but disabled [-Werror=cpp]
+	# -ftrack-macro-expansion=0:
+	# hash.c:535:5: error: statement is indented as if it were guarded by... [-Werror=misleading-indentation]
+	# hash.c:535:5: note: ...this ‘if’ clause, but it is not
+	for flags in																	\
+		"$debug -pipe -Wall -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -fno-diagnostics-show-caret -Wno-error=cast-function-type -Wno-error=stringop-truncation -Wno-error=format-truncation $asan"	\
+		"$debug -pipe -Wall -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -fno-diagnostics-show-caret $asan"	\
+		"$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -fno-diagnostics-show-caret $asan"	\
+		"$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -fno-diagnostics-show-caret"	\
+		"$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4"								\
+		"$debug -pipe -Wall -fexceptions"													\
+		""																	\
 		;do
 		if [ -z "$flags" ];then
 			rm -f errs1.c
 			echo >&2 "flags error"
 			exit 1
 		fi
-		"$CC" $flags -c errs1.c -o /dev/null && break
+		# Use -Werror:
+		# cc1: warnings being treated as errors
+		# archive.c:1: error: -fstack-protector not supported for this target
+		"$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 $flags"
 	fi
+	echo 'int main (void) { return 0; }' >errs1.c
+	for ldflags in \
+		"-fuse-ld=gold -Wl,--gdb-index -ltcmalloc" \
+		"-fuse-ld=gold -Wl,--gdb-index" \
+		"-ltcmalloc" \
+		"" \
+	;do
+		"$CC" $flags $ldflags errs1.c -o /dev/null && break
+	done
 	rm -f errs1.c
+	if ! echo "$flags"|grep -q 'fsanitize=address';then
+		asan=""
+	fi
+	flags="$flags -D_GLIBCXX_DEBUG"
 	export CFLAGS="$flags"
-	export CXXFLAGS="$flags"
+	export CXXFLAGS="$flags $permissive"
 	export GCJFLAGS="$flags"
 	export CFLAGS_FOR_TARGET="$flags"
-	export CXXFLAGS_FOR_TARGET="$flags"
-	export LDFLAGS="$ldflags"
+	export CXXFLAGS_FOR_TARGET="$flags $permissive"
+	export LDFLAGS="$ldflags $mcheck $asan"
 
-	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 $disablebinutils $python --enable-debug --disable-sim $maintainer $werror --with-separate-debug-dir=/usr/lib/debug --without-guile "$@"
+# --enable-gold --enable-plugins
 
 	(ctags; test -d gdb && (cd gdb; ctags; cd testsuite; ctags; cd ../gdbserver; ctags)) &