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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: openembedded-core <openembedded-core@lists.openembedded.org>
Date: Mon, 18 Mar 2013 00:03:03 +0000
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Subject: [PATCH] bison: Use PATH to locate m4
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We can specify no path to m4 at configure time and thus avoiding
having a wrapper for that particular problem.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
diff --git a/meta/recipes-devtools/bison/bison_2.7.bb b/meta/recipes-devtools/bison/bison_2.7.bb
index ee2effb..373651e 100644
--- a/meta/recipes-devtools/bison/bison_2.7.bb
+++ b/meta/recipes-devtools/bison/bison_2.7.bb
@@ -16,6 +16,9 @@ BASE_SRC_URI = "${GNU_MIRROR}/bison/bison-${PV}.tar.gz \
                 file://dont-depend-on-help2man.patch \
 	       "
 
+# No point in hardcoding path to m4, just use PATH
+EXTRA_OECONF += "M4=m4"
+
 SRC_URI = "${BASE_SRC_URI} \
            file://fix_cross_manpage_building.patch \
           "
@@ -32,8 +35,6 @@ acpaths = "-I ${S}/m4"
 
 do_install_append_class-native() {
 	create_wrapper ${D}/${bindir}/bison \
-		M4=${STAGING_BINDIR_NATIVE}/m4 \
 		BISON_PKGDATADIR=${STAGING_DATADIR_NATIVE}/bison
 }
-#bison-native encodes the staging M4 path
 BBCLASSEXTEND = "native nativesdk"