X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=configure.ac;h=591fd587d0f05b6850b3889cd16fa5b3df49138f;hb=b76f88c5bafa82e3c939eb65c13acd431e07cc01;hp=72844dbfd2b1bdc67885018c11b97dd52a8f5ef4;hpb=f0446c10f23af1fd088535ac6cfe119c8f3c0efe;p=collectd.git

diff --git a/configure.ac b/configure.ac
index 72844dbf..591fd587 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