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From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Wed, 2 Nov 2011 00:14:37 +0100
Subject: [PATCH] don't regen docs if perl is not found
If we're using a cvs snapshot which updates the source files, and
perl isn't installed yet, then we can't regen the docs. Not a big
deal, so just whine a little and continue on our merry way.
This patch was taken from gentoo.
http://bugs.gentoo.org/60132
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
manual/Makefile | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/manual/Makefile b/manual/Makefile
index 46dd430..db96bdf 100644
--- a/manual/Makefile
+++ b/manual/Makefile
@@ -106,9 +106,14 @@ dir-add.texi: xtract-typefun.awk $(texis)
libm-err.texi: stamp-libm-err
stamp-libm-err: libm-err-tab.pl $(wildcard $(foreach dir,$(sysdirs),\
$(dir)/libm-test-ulps))
+ifneq ($(PERL),no)
pwd=`pwd`; \
$(PERL) $< $$pwd/.. > libm-err-tmp
$(move-if-change) libm-err-tmp libm-err.texi
+else
+ echo "Unable to rebuild math docs, no perl installed"
+ touch libm-err.texi
+endif
touch $@
# Generate Texinfo files from the C source for the example programs.
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