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author | John Criswell <criswell@uiuc.edu> | 2003-09-15 17:19:42 +0000 |
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committer | John Criswell <criswell@uiuc.edu> | 2003-09-15 17:19:42 +0000 |
commit | 1b82432a8377e1fbfac3b3e48a1000f49338513a (patch) | |
tree | 67be51aabd53d4592d6c9b62af1034b594e90404 /autoconf | |
parent | 93e1c72ec0dbdb0a3af1af61e7a78bc992efa60d (diff) | |
download | external_llvm-1b82432a8377e1fbfac3b3e48a1000f49338513a.zip external_llvm-1b82432a8377e1fbfac3b3e48a1000f49338513a.tar.gz external_llvm-1b82432a8377e1fbfac3b3e48a1000f49338513a.tar.bz2 |
Modified the checks slightly so that one can re-configure LLVM without
having to do a "make distclean" when building in the source directory.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8540 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'autoconf')
-rw-r--r-- | autoconf/configure.ac | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/autoconf/configure.ac b/autoconf/configure.ac index 787c0d7..4ec23ca 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -21,12 +21,15 @@ dnl Place all of the extra autoconf files into the config subdirectory AC_CONFIG_AUX_DIR([autoconf]) dnl Quit if the source directory has already been configured. -if test -f ${srcdir}/include/Config/config.h +dnl NOTE: This relies upon undocumented autoconf behavior. +if test ${srcdir} != "." then - AC_MSG_ERROR([Already configured in ${srcdir}]) + if test -f ${srcdir}/include/Config/config.h + then + AC_MSG_ERROR([Already configured in ${srcdir}]) + fi fi - dnl Configure a header file AC_CONFIG_HEADERS(include/Config/config.h) AC_CONFIG_MAKEFILE(Makefile) |