errs12: asan: no longer default

[nethome.git] / bin / errs12

diff --git a/bin/errs12 b/bin/errs12
index 12f18f5..bfac6f5 100755 (executable)
--- a/bin/errs12
+++ b/bin/errs12
@@ -1,20 +1,31 @@
-#! /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
+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
@@ -59,7 +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
@@ -89,41 +123,63 @@ 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"
                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 "$CC" && CC=gcc
        : >errs1.c
-       for flags in                                                                                                    \
-               "$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 --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)) &