[OE-core] [PATCH] autotools.bbclass: Fix m4 file race
Richard Purdie
richard.purdie at linuxfoundation.org
Wed Aug 3 15:14:36 UTC 2011
If something removes .m4 files from the aclocal directory whilst aclocal is
running it gets upset. To avoid this we need to take a copy of the aclocal
directory and build against this instead.
[YOCTO #861]
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
diff --git a/meta/classes/autotools.bbclass b/meta/classes/autotools.bbclass
index e5c13ae..8f65b70 100644
--- a/meta/classes/autotools.bbclass
+++ b/meta/classes/autotools.bbclass
@@ -111,8 +111,13 @@ autotools_do_configure() {
if [ -d ${STAGING_DATADIR_NATIVE}/aclocal-$AUTOV ]; then
acpaths="$acpaths -I${STAGING_DATADIR_NATIVE}/aclocal-$AUTOV"
fi
+ # The aclocal directory could get modified by other processes
+ # uninstalling data from the sysroot. See Yocto #861 for details.
+ # We avoid this by taking a copy here and then files cannot disappear.
if [ -d ${STAGING_DATADIR}/aclocal ]; then
- acpaths="$acpaths -I ${STAGING_DATADIR}/aclocal"
+ mkdir -p ${B}/aclocal-copy/
+ cp ${STAGING_DATADIR}/aclocal/* ${B}/aclocal-copy/
+ acpaths="$acpaths -I ${B}/aclocal-copy/"
fi
# autoreconf is too shy to overwrite aclocal.m4 if it doesn't look
# like it was auto-generated. Work around this by blowing it away
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