[PATCH] flex: fix reported executable name caused by OE wrapper

[Martin Jansa <martin.jansa@gmail.com>]

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
---
 meta/recipes-devtools/flex/flex.inc                 | 15 ++++++++++++++-
 .../flex/flex/drop.suffix.from.wrapper.patch        | 21 +++++++++++++++++++++
 2 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 meta/recipes-devtools/flex/flex/drop.suffix.from.wrapper.patch

diff --git a/meta/recipes-devtools/flex/flex.inc b/meta/recipes-devtools/flex/flex.inc
index 517db16..344b716 100644
--- a/meta/recipes-devtools/flex/flex.inc
+++ b/meta/recipes-devtools/flex/flex.inc
@@ -6,10 +6,23 @@ HOMEPAGE = "http://sourceforge.net/projects/flex/"
 SECTION = "devel"
 LICENSE = "BSD"
 
-SRC_URI = "${SOURCEFORGE_MIRROR}/flex/flex-${PV}.tar.bz2 "
+SRC_URI = "${SOURCEFORGE_MIRROR}/flex/flex-${PV}.tar.bz2 \
+           file://drop.suffix.from.wrapper.patch \
+"
 
 inherit autotools gettext
 
+# drop building doc, there is openembedded-core/scripts/help2man
+# but that just returns exit 1 and flex.1 is immediately removed:
+# openembedded-core/scripts/help2man --name='the fast lexical analyser generator' \
+# --section=`echo $i | sed -e 's/.*\.\([^.]*\)$/\1/'` \
+#  ../flex > $i || rm -f $i ; \
+# and do_install fails, it wasn't failing before, because flex.1 included in
+# release tarbal was valid until we patched main.c in drop.suffix.from.wrapper.patch
+do_configure_prepend() {
+	sed -i "/^\s*doc /d" Makefile.am
+}
+
 M4 = "${bindir}/m4"
 M4_class-native = "${STAGING_BINDIR_NATIVE}/m4"
 
diff --git a/meta/recipes-devtools/flex/flex/drop.suffix.from.wrapper.patch b/meta/recipes-devtools/flex/flex/drop.suffix.from.wrapper.patch
new file mode 100644
index 0000000..9bbd088
--- /dev/null
+++ b/meta/recipes-devtools/flex/flex/drop.suffix.from.wrapper.patch
@@ -0,0 +1,21 @@
+Upstream probably doesn't expect wrappers like we create for flex.
+
+This also fixes disabled C_plus_plus functions in flex++ if we ever create wrapper for flex++.
+
+Upstream-Status: Inappropriate [configuration]
+
+Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
+
+--- flex-2.5.35/main.c.orig	2013-05-09 15:19:34.619281743 +0200
++++ flex-2.5.35/main.c	2013-05-09 15:19:10.216280868 +0200
+@@ -984,6 +984,10 @@
+ 	/* Enable C++ if program name ends with '+'. */
+ 	program_name = basename2 (argv[0], 0);
+ 
++	/* Drop trailing .real suffix if it's there */
++	if (strstr(program_name, ".real") != NULL && strstr(program_name, ".real") - program_name == strlen(program_name) - 5)
++	    program_name[strlen (program_name) - 5] = '\0';
++
+ 	if (program_name[0] != '\0' &&
+ 	    program_name[strlen (program_name) - 1] == '+')
+ 		C_plus_plus = true;
-- 
1.8.2.1