X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=configure.ac;h=9112a91f82b6dde214470544e96377c405ab3d68;hb=6258e772d808f4e76ea8e23d9e2750cfc7e6c60d;hp=8f7a4f33e16d985631a54bb7cc0750c34bc3cbc4;hpb=f7f5868ee0378791ccd8d1788e27ebf2a02737dc;p=collectd.git

diff --git a/configure.ac b/configure.ac
index 8f7a4f33..9112a91f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -44,6 +44,7 @@ AC_SYS_LARGEFILE
 #
 AC_PROG_CC
 AC_PROG_CPP
+AC_PROG_EGREP
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
@@ -60,6 +61,18 @@ m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-conf
 
 PKG_PROG_PKG_CONFIG
 
+AC_CACHE_CHECK([if bison is the parser generator],
+	[collectd_cv_prog_bison],
+	[AS_IF([$YACC --version 2>/dev/null | $EGREP -q '^bison '],
+		[collectd_cv_prog_bison=yes], [collectd_cv_prog_bison=no]
+	)]
+)
+
+if test "x$collectd_cv_prog_bison" = "xno" && test ! -f "${srcdir}/src/liboconfig/parser.c"
+then
+	AC_MSG_ERROR([bison is missing and you do not have ${srcdir}/src/liboconfig/parser.c. Please install bison])
+fi
+
 AC_CHECK_PROG([have_protoc_c], [protoc-c], [yes], [no])
 if test "x$have_protoc_c" = "xno"
 then