[PATCH app-xkbcomp] config: add check for yacc to insure it is installed #27973

Gaetan Nadon memsize at videotron.ca
Wed Jun 2 12:30:18 PDT 2010

Unlike other macros AC_PROG_YACC sets the YACC variable to "yacc"
as a last resort, even if no programs have been found. Improve error
checking by issuing an error message if yacc is not found. The module
cannot be build anyway.

Reported-by: Peter Hutterer <peter.hutterer at who-t.net>
Signed-off-by: Gaetan Nadon <memsize at videotron.ca>
 configure.ac |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index 4c86fcd..315910d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,6 +35,8 @@ AM_CONFIG_HEADER(config.h)
+test -z $YACC_INST && AC_MSG_ERROR([yacc not found - unable to compile xkbparse.y])

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