X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;ds=sidebyside;f=configure.ac;h=e2c6be6bbe869bf873ab1ada2a69e838711c9d7b;hb=d38c16d60f9d1b10cb60f010ce086135e6ecbe07;hp=fc1e11c1e1e6eb1e2b4ac1b4a451bf3041d05f1b;hpb=4d6ff066b1c60a8e6654e4c74370ef951f37b5f3;p=collectd.git

diff --git a/configure.ac b/configure.ac
index fc1e11c1..e2c6be6b 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}/liboconfig/parser.c"
+then
+	AC_MSG_ERROR([bison is missing and you do not have ${srcdir}/liboconfig/parser.c. Please install bison])
+fi
+
 AC_CHECK_PROG([have_protoc_c], [protoc-c], [yes], [no])
 if test "x$have_protoc_c" = "xno"
 then