[gtksourceview] build: use AX_REQUIRE_DEFINED for more macros

[Sébastien Wilmet <swilmet src gnome org>]

commit b482a3bbf2ed78fe9e2616e91f1ffcf759c73b6e
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Aug 31 07:17:57 2015 +0200

    build: use AX_REQUIRE_DEFINED for more macros

 configure.ac |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ce4a0fc..76f1f3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,6 +54,9 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 # Check for programs
 AC_PROG_CC
 AC_PROG_INSTALL
+
+AX_REQUIRE_DEFINED([PKG_PROG_PKG_CONFIG])
+AX_REQUIRE_DEFINED([PKG_INSTALLDIR])
 PKG_PROG_PKG_CONFIG
 PKG_INSTALLDIR
 
@@ -69,6 +72,7 @@ AC_PATH_PROG(GLIB_MKENUMS, glib-mkenums)
 AC_PATH_PROG(GLIB_COMPILE_RESOURCES, glib-compile-resources)
 
 # Compile warnings
+AX_REQUIRE_DEFINED([AX_COMPILER_FLAGS])
 AX_COMPILER_FLAGS([WARN_CFLAGS], [WARN_LDFLAGS])
 
 AC_ARG_ENABLE(deprecations,
@@ -87,6 +91,7 @@ if test "$enable_deprecations" = "no"; then
        AC_SUBST(DISABLE_DEPRECATED_CFLAGS)
 fi
 
+AX_REQUIRE_DEFINED([AX_PKG_CHECK_MODULES])
 AX_PKG_CHECK_MODULES([DEP],
                     [glib-2.0 >= $glib_req  gio-2.0 >= $glib_req  gtk+-3.0 >= $gtk_req],
                     [libxml-2.0 >= $libxml_req])
@@ -162,6 +167,7 @@ AX_REQUIRE_DEFINED([GOBJECT_INTROSPECTION_CHECK])
 GOBJECT_INTROSPECTION_CHECK([1.42.0])
 
 # Code coverage
+AX_REQUIRE_DEFINED([AX_CODE_COVERAGE])
 AX_CODE_COVERAGE()
 
 # Vala