gtk-doc: require perl-native only if api-documentation feature is enabled

This should reduce build times.

(From OE-Core rev: 74d9c5eb858bfe1dd16826b74be3af71bb1956d9)

Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 46 insertions, 2 deletions

diff --git a/meta/recipes-gnome/gtk-doc/files/0001-Do-not-error-out-if-perl-is-not-found-or-its-version.patch b/meta/recipes-gnome/gtk-doc/files/0001-Do-not-error-out-if-perl-is-not-found-or-its-version.patch
new file mode 100644
index 0000000000..4a9028742c
--- /dev/null
+++ b/meta/recipes-gnome/gtk-doc/files/0001-Do-not-error-out-if-perl-is-not-found-or-its-version.patch
@@ -0,0 +1,40 @@
+From e733241fb580f032efbbe684ec35d4c9d27f1595 Mon Sep 17 00:00:00 2001
+From: Alexander Kanavin <alex.kanavin@gmail.com>
+Date: Thu, 8 Sep 2016 13:38:39 +0300
+Subject: [PATCH] Do not error out if perl is not found or its version is too
+ old.
+
+This allows use to avoid depending on perl-native if we're not going
+to use it (when api-docs are disabled).
+
+Upstream-Status: Inappropriate [oe-core specific]
+Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
+---
+ configure.ac | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 2a61d6e..29415bd 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -36,7 +36,7 @@ dnl Check for Perl.
+ dnl
+ AC_PATH_PROG([PERL], [perl])
+ if test -z "$PERL"; then
+-       AC_MSG_ERROR([perl not found])
++       AC_MSG_WARN([perl not found])
+ fi
+ 
+ AC_MSG_CHECKING([if Perl version >= 5.18.0])
+@@ -44,7 +44,7 @@ if "$PERL" -e "require v5.18.0"; then
+        AC_MSG_RESULT([yes])
+ else
+        AC_MSG_RESULT([no])
+-       AC_MSG_ERROR([perl >= 5.18.0 is required for gtk-doc])
++       AC_MSG_WARN([perl >= 5.18.0 is required for gtk-doc])
+ fi
+ 
+ dnl
+-- 
+2.9.3
+
diff --git a/meta/recipes-gnome/gtk-doc/gtk-doc_1.25.bb b/meta/recipes-gnome/gtk-doc/gtk-doc_1.25.bb
index 3d1cdae385..6af996e359 100644
--- a/meta/recipes-gnome/gtk-doc/gtk-doc_1.25.bb
+++ b/meta/recipes-gnome/gtk-doc/gtk-doc_1.25.bb
@@ -5,7 +5,7 @@ HOMEPAGE = "http://www.gtk.org/gtk-doc/"
 LICENSE = "GPLv2"
 LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f"
 
-inherit gnomebase perlnative
+inherit gnomebase
 
 # Configure the scripts correctly (and build their dependencies) only if they are actually
 # going to be used; otheriwse we need only the m4/makefile includes from the gtk-doc tarball.
@@ -15,10 +15,14 @@ PACKAGECONFIG ??= "${@bb.utils.contains("DISTRO_FEATURES", "api-documentation",
 # into its scripts. This means that target gtk-doc package is broken;
 # hopefully no one minds because its scripts are not used for anything during build
 # and shouldn't be used on targets.
-PACKAGECONFIG[working-scripts] = "--with-highlight=source-highlight,--with-highlight=no,libxslt-native xmlto-native source-highlight-native"
+PACKAGECONFIG[working-scripts] = "--with-highlight=source-highlight,--with-highlight=no,libxslt-native xmlto-native source-highlight-native perl-native"
+
+# We cannot use host perl, because it may be too old for gtk-doc
+EXTRANATIVEPATH += "perl-native"
 
 SRC_URI += "file://0001-Do-not-hardocode-paths-to-perl-python-in-scripts.patch \
             file://0001-Do-not-error-out-if-xsltproc-is-not-found.patch \
+            file://0001-Do-not-error-out-if-perl-is-not-found-or-its-version.patch \
            "
 SRC_URI_append_class-native = " file://pkg-config-native.patch"