From 6ed497142ebad501c6c6ec277a0b60db22ccaef3 Mon Sep 17 00:00:00 2001 From: Yannick Brosseau Date: Wed, 17 Jul 2013 14:00:34 -0400 Subject: [PATCH] Test for presence of bison and flex when building from git [ Update by Mathieu Desnoyers: handle VPATH build from tarball by prefixing path with $srcdir. ] Signed-off-by: Yannick Brosseau Signed-off-by: Mathieu Desnoyers --- configure.ac | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 9d93791bf..33c54fc07 100644 --- a/configure.ac +++ b/configure.ac @@ -287,7 +287,19 @@ LT_INIT AC_PROG_YACC AC_PROG_LEX -AC_DEFUN([AC_PROG_BISON], [AC_CHECK_PROGS(BISON, bison, bison)]) +if test ! -f "$srcdir/src/lib/lttng-ctl/filter/filter-parser.h"; then + if test x"$YACC" != "xbison -y"; then + AC_MSG_ERROR([[bison not found and is required when building from git. + Please install bison]]) + fi +fi + +if test ! -f "$srcdir/src/lib/lttng-ctl/filter/filter-lexer.c"; then + if test x"$LEX" != "xflex"; then + AC_MSG_ERROR([[flex not found and is required when building from git. + Please install flex]]) + fi +fi CFLAGS="-Wall $CFLAGS -g -fno-strict-aliasing" -- 2.34.1