Require gawk in maintainer mode

gawk is required to build known_dwarf.h, so check for it in configure.ac.

Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/ChangeLog b/ChangeLog
index 696f31e..45418a0 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2018-07-04  Ross Burton <ross.burton@intel.com>
+
+       * configure.ac: Check for gawk.
+
 2018-06-11  Mark Wielaard  <mark@klomp.org>
 
        * configure.ac: Set version to 0.172.

diff --git a/configure.ac b/configure.ac
index 1cf6245..a3b2993 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -618,6 +618,10 @@ if test "x$enable_maintainer_mode" = xyes; then
   if test "$HAVE_BISON" = "no"; then
     AC_MSG_ERROR([bison needed in maintainer mode])
   fi
+  AC_CHECK_PROG(HAVE_GAWK, gawk, yes, no)
+  if test "$HAVE_GAWK" = "no"; then
+    AC_MSG_ERROR([gawk needed in maintainer mode])
+  fi
 else
   if test ! -f ${srcdir}/libdw/known-dwarf.h; then
     AC_MSG_ERROR([No libdw/known-dwarf.h. configure --enable-maintainer-mode])