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| author | Paolo Bonzini <bonzini@gnu.org> | 2004-05-24 11:08:48 +0000 |
|---|---|---|
| committer | Paolo Bonzini <bonzini@gnu.org> | 2004-05-24 11:08:48 +0000 |
| commit | dfdffa2c3c2df36aa57d5beee75ca3fb15e3a736 (patch) | |
| tree | 00926e19265406452cdea619bd6a4f5ee6f9a51d /configure.in | |
| parent | 04cf1b779b4818d428c3984d0160f202ee6ef7b6 (diff) | |
| download | gdb-dfdffa2c3c2df36aa57d5beee75ca3fb15e3a736.zip gdb-dfdffa2c3c2df36aa57d5beee75ca3fb15e3a736.tar.gz gdb-dfdffa2c3c2df36aa57d5beee75ca3fb15e3a736.tar.bz2 | |
2005-05-24 Paolo Bonzini <bonzini@gnu.org>
* configure.in: Test the ability to symlink directories.
* configure: Regenerate.
* Makefile.def (bootstrap-stage): New definitions.
* Makefile.tpl (configure-stage1-gcc,
configure-stage2-gcc, configure-stage3-gcc,
all-stage1-gcc, all-stage2-gcc, all-stage3-gcc,
new-bootstrap, new-cleanstrap, new-restage1, new-restage2,
new-restage3, compare): Autogenerate, see Makefile.in
entry for behavioral changes.
(distclean-stage1, new-stage1-start, new-stage1-end,
new-stage1-bubble, distclean-stage2, new-stage2-start,
new-stage2-end, new-stage2-bubble, distclean-stage3,
new-stage3-start, new-stage3-end): New autogenerated targets.
(objext, prebootstrap, BOOT_CFLAGS,
POSTSTAGE1_FLAGS_TO_PASS): Move above the autogenerated
targets.
* Makefile.in: Regenerate.
(distclean-stage1, new-stage1-start, new-stage1-end,
new-stage1-bubble, distclean-stage2, new-stage2-start,
new-stage2-end, new-stage2-bubble, distclean-stage3,
new-stage3-start, new-stage3-end): New targets.
(all-stage1-gcc): Move prebootstrap dependency from here...
(configure-stage1-gcc): ...to here.
(new-bootstrap): Use bubble targets.
(new-cleanstrap, new-restage1, new-restage2, new-restage3):
Use per-stage distclean targets.
(configure-stage1-gcc, configure-stage2-gcc,
configure-stage3-gcc, all-stage1-gcc,
all-stage2-gcc, all-stage3-gcc, new-bootstrap):
Use new-stageN-start to prepare the tree.
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/configure.in b/configure.in index c4c7fad..42f7bea 100644 --- a/configure.in +++ b/configure.in @@ -25,6 +25,7 @@ AC_ARG_PROGRAM # Get 'install' or 'install-sh' and its variants. AC_PROG_INSTALL +AC_PROG_LN_S sinclude(config/acx.m4) @@ -2247,6 +2248,36 @@ case $build in esac AC_SUBST(stage1_cflags) +# It makes debugging easier if we create as symlinks the stage directories +# gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not +# possible, however, we can resort to mv. +AC_CACHE_CHECK([if symbolic links between directories work], +[gcc_cv_prog_ln_s_dir], +[if test "${LN_S}" = "ln -s" \ + && mkdir confdir.s1 \ + && ln -s confdir.s1 confdir.s2 \ + && echo timestamp1 > confdir.s1/conftest.1 \ + && cmp confdir.s1/conftest.1 confdir.s2/conftest.1 \ + && echo timestamp2 > confdir.s2/conftest.2 \ + && cmp confdir.s1/conftest.2 confdir.s1/conftest.2 \ + && rm -f confdir.s2; then + gcc_cv_prog_ln_s_dir=yes +else + gcc_cv_prog_ln_s_dir=yes +fi +rm -rf confdir.s1 confdir.s2]) + +case ${gcc_cv_prog_ln_s_dir} in + yes) + CREATE_LINK_TO_DIR='ln -s $$1 $$2' + UNDO_LINK_TO_DIR='rm -f $$1' ;; + *) + CREATE_LINK_TO_DIR='mv $$1 $$2' + UNDO_LINK_TO_DIR='mv $$1 $$2' ;; +esac +AC_SUBST(CREATE_LINK_TO_DIR) +AC_SUBST(UNDO_LINK_TO_DIR) + # Enable -Werror in bootstrap stage2 and later. # Change the default to "no" on release branches. AC_ARG_ENABLE(werror, |