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authorrwild <rwild@138bc75d-0d04-0410-961f-82ee72b054a4>2009-09-22 18:00:15 +0000
committerrwild <rwild@138bc75d-0d04-0410-961f-82ee72b054a4>2009-09-22 18:00:15 +0000
commit04a2e84173ba7cf43ec68fe41dae7d027bf230d1 (patch)
treed2797a65aa730a63ee7c838a3cee61a977254c58 /configure.ac
parent827f08ae8674823228dd9e8426d6fcbd850d205f (diff)
downloadgcc-04a2e84173ba7cf43ec68fe41dae7d027bf230d1.tar.gz
Error out if building separately but srcdir has build remnants.
/: PR bootstrap/32272 * configure.ac: Error out if $srcdir isn't '.' but contains host-${host_noncanonical}. * configure: Regenerate. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@152037 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac5
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 794a4191d56..e7d44db83dc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -235,6 +235,11 @@ fi
# Find the build and target subdir names.
GCC_TOPLEV_SUBDIRS
+# Be sure to cover against remnants of an in-tree build.
+if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
+ AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
+Use a pristine source tree when building in a separate tree])
+fi
# Skipdirs are removed silently.
skipdirs=