errs12: asan: no longer default

[nethome.git] / bin / errs12

diff --git a/bin/errs12 b/bin/errs12
index a679861..bfac6f5 100755 (executable)
--- a/bin/errs12
+++ b/bin/errs12
@@ -1,7 +1,8 @@
 #! /bin/bash
 # $Id$
 
-renice +19 -p $$; ionice -c3 -p $$
+#renice +19 -p $$; ionice -c3 -p $$
+renice +10 -p $$; ionice -c3 -p $$
 
 # Do not use for ctags - it would override $PATH:
 # PS1=x; . ~/.bashrc
@@ -12,10 +13,19 @@ 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
+asan=""
+#asan="-fsanitize=address -static-libasan"
+mcheck=""
+#mcheck="-lmcheck"
 fast=false
 readline=""
+disablebinutils="--disable-binutils --disable-gas --disable-gold --disable-gprof --disable-ld"
 
 while true
 do
@@ -60,7 +70,30 @@ do
        if [ "$1" = "-s" ];then
                # -O0 is important to override GCC -O2.
                debug="-O0 -s"
-               #ldflags=""
+               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=""
                shift
                continue
        fi
@@ -90,6 +123,9 @@ 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 ! -d readline;then # $fast ||
+               targets="$targets --with-system-readline"
+       fi
 
        if test -f `dirname $configure`/gcc/reload.c;then
                werror="--disable-werror"
@@ -109,30 +145,41 @@ rm -f errs1.ok
 
        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"   \
-               "$debug -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions"                                               \
-               ""                                                                                                      \
+       # -Wp,-D_FORTIFY_SOURCE=2: /usr/include/features.h:329:3: error: #warning _FORTIFY_SOURCE requested but disabled [-Werror=cpp]
+       for flags in                                                                                                                                    \
+               "$debug -pipe -Wall -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -ftrack-macro-expansion=0 -fno-diagnostics-show-caret $asan"        \
+               "$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -ftrack-macro-expansion=0 -fno-diagnostics-show-caret $asan"       \
+               "$debug -pipe -Wall -fexceptions -fstack-protector --param=ssp-buffer-size=4 -ftrack-macro-expansion=0 -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 $flags"
        fi
        rm -f errs1.c
+       if ! echo "$flags"|grep -q 'fsanitize=address';then
+               asan=""
+       fi
        export CFLAGS="$flags"
        export CXXFLAGS="$flags"
        export GCJFLAGS="$flags"
        export CFLAGS_FOR_TARGET="$flags"
        export CXXFLAGS_FOR_TARGET="$flags"
-       export LDFLAGS="$ldflags"
+       export LDFLAGS="$mcheck $asan"
 
-       time nice "$configure" $target $targets $customss $readline --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 --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)) &