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| author | Nathan Sidwell <nathan@codesourcery.com> | 2004-08-27 16:20:45 +0000 |
|---|---|---|
| committer | Nathan Sidwell <nathan@gcc.gnu.org> | 2004-08-27 16:20:45 +0000 |
| commit | 06c37c965a32bf125f32111fac25707bee54708a (patch) | |
| tree | e2fce412e85b16b97075f73dc19c83b703a40a39 /gcc/configure.ac | |
| parent | 9d64df18fd9175749aea2742096b172f59a5ebeb (diff) | |
| download | gcc-06c37c965a32bf125f32111fac25707bee54708a.zip gcc-06c37c965a32bf125f32111fac25707bee54708a.tar.gz gcc-06c37c965a32bf125f32111fac25707bee54708a.tar.bz2 | |
configure.ac: Add ENABLE_ASSERT_CHECKING control.
* configure.ac: Add ENABLE_ASSERT_CHECKING control.
Add is_release variable, use it for --enable-werror and
--enable-checking defaults.
* system.h (gcc_assert, gcc_unreachable): New.
* doc/install.texi (--enable-checking): Update.
* configure, config.in: Rebuilt.
From-SVN: r86666
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index db368f3..993d81d 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -30,6 +30,9 @@ AC_INIT AC_CONFIG_SRCDIR(tree.c) AC_CONFIG_HEADER(auto-host.h:config.in) +#Set to 1 on a release branch +is_release= + # Determine the host, build, and target systems AC_CANONICAL_BUILD AC_CANONICAL_HOST @@ -370,10 +373,15 @@ fi AC_SUBST(warn_cflags) # Enable -Werror in bootstrap stage2 and later. -# Change the default to "no" on release branches. AC_ARG_ENABLE(werror, [ --enable-werror enable -Werror in bootstrap stage2 and later], [], -[enable_werror=yes]) +[if test x$is_release = x ; then + # Default to "yes" on development branches. + enable_werror=yes +else + # Default to "no" on release branches. + enable_werror=no +fi]) if test x$enable_werror = xyes ; then WERROR=-Werror fi @@ -384,8 +392,9 @@ AC_ARG_ENABLE(checking, [ --enable-checking[=LIST] enable expensive run-time checks. With LIST, enable only specific categories of checks. - Categories are: fold,gc,gcac,misc,rtlflag,rtl, - tree,valgrind; default is gc,misc,rtlflag,tree], + Categories are: none,assert,fold,gc,gcac,misc, + rtlflag,rtl,tree,valgrind; + default is assert,gc,misc,rtlflag,tree], [ac_checking= ac_tree_checking= ac_rtl_checking= @@ -393,16 +402,19 @@ ac_rtlflag_checking= ac_gc_checking= ac_gc_always_collect= ac_fold_checking= +ac_assert_checking= case "${enableval}" in yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ; - ac_rtlflag_checking=1 ;; + ac_rtlflag_checking=1 ; ac_assert_checking=1 ;; no) ;; *) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS," set fnord $enableval; shift IFS="$ac_save_IFS" + ac_assert_checking=1 for check do case $check in + assert) ac_assert_checking=1 ;; fold) ac_fold_checking=1 ;; gc) ac_gc_checking=1 ;; gcac) ac_gc_always_collect=1 ;; @@ -416,9 +428,16 @@ no) ;; done ;; esac -], -# Enable some checks by default for development versions of GCC -[ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;]) +], [ +# Determine the default checks. +if test x$is_release = x ; then + # Enable some checks for development versions of GCC + ac_assert_checking=1; + ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1; +else + # Disable all but assertions for release versions of GCC. + ac_assert_checking=1; +fi]) nocommon_flag="" if test x$ac_checking != x ; then AC_DEFINE(ENABLE_CHECKING, 1, @@ -427,6 +446,10 @@ if test x$ac_checking != x ; then nocommon_flag=-fno-common fi AC_SUBST(nocommon_flag) +if test x$ac_assert_checking != x ; then + AC_DEFINE(ENABLE_ASSERT_CHECKING, 1, +[Define if you want assertions enabled. This is a cheap check.]) +fi if test x$ac_tree_checking != x ; then AC_DEFINE(ENABLE_TREE_CHECKING, 1, [Define if you want all operations on trees (the basic data |