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config: allow to build tarball when yacc is missing 

Autoconf does not handle this scenario as well as Automake does.
If xkbparse.c is already there, do not abort the configuration
if yacc is missing as it is not needed.

If both xkbparse.c and yacc are missing, abort configuration.
Yacc is a required tool to build the package.

Acked-by: Daniel Stone <daniel@fooishbar.org>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Signed-off-by: Gaetan Nadon <memsize@videotron.ca>
master
Gaetan Nadon 2010-12-07 10:59:13 -05:00
parent 2c51e4b195
commit e2f9f51667
1 changed files with 7 additions and 1 deletions
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8
configure.ac
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@ -35,8 +35,14 @@ AM_MAINTAINER_MODE
# Initialize libtool # Initialize libtool
AC_PROG_LIBTOOL AC_PROG_LIBTOOL
AC_PROG_YACC
AC_PROG_LEX AC_PROG_LEX
AC_PROG_YACC
AC_PATH_PROG([YACC_INST], $YACC)
if test ! -f "src/xkbcomp/xkbparse.c"; then
if test -z "$YACC_INST"; then
AC_MSG_ERROR([yacc not found - unable to compile src/xkbcomp/xkbparse.y])
fi
fi
m4_ifndef([PKG_PROG_PKG_CONFIG], m4_ifndef([PKG_PROG_PKG_CONFIG],
[m4_fatal([Could not locate the pkg-config autoconf macros. [m4_fatal([Could not locate the pkg-config autoconf macros.