Test for presence of bison and flex when building from git

Fixes efficios#74 Signed-off-by: Yannick Brosseau <[email protected]> Signed-off-by: Mathieu Desnoyers <[email protected]>
tbricks · Aug 15, 2013 · 331d78f · 331d78f
1 parent 91ce4fc
commit 331d78f
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/configure.ac b/configure.ac
@@ -23,7 +23,20 @@ LT_INIT
 AC_PROG_YACC
 AC_PROG_LEX
 
-AC_DEFUN([AC_PROG_BISON], [AC_CHECK_PROGS(BISON, bison, bison)]) 
+if test ! -f "$srcdir/formats/ctf/metadata/ctf-parser.h"; then
+        if test x"$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 "$srcdir/formats/ctf/metadata/ctf-lexer.c"; then
+        if test x"$LEX" != "xflex"; then
+                AC_MSG_ERROR([[flex not found and is required when building from git.
+                Please install flex]])
+        fi
+fi
+
 
 AM_PATH_GLIB_2_0(2.22.0, ,AC_MSG_ERROR([glib is required in order to compile BabelTrace - download it from ftp://ftp.gtk.org/pub/gtk]) , gmodule)