kumquat-buildroot/package/libiio/0002-cmake-libxml2-detection-try-first-the-CMake-module-f.patch
Samuel Martin 4fc5f4a644 package/libiio: fix static build
Use the CMake module provided by libxml2 instead of the one from CMake to
correctly set the cflags and ldflags.

Fixes:
  http://autobuild.buildroot.net/results/964f98fafdcd7e994ea25cf0993915d81537c31c/

Note that this patch needs the following one to be merged in libxml2:
  https://mail.gnome.org/archives/xml/2014-December/msg00015.html

Signed-off-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-12-30 11:19:12 +01:00

43 lines
1.4 KiB
Diff

From 4f849e1d2287206cfb7ff0fdeca96c22383b0d53 Mon Sep 17 00:00:00 2001
From: Samuel Martin <s.martin49@gmail.com>
Date: Mon, 29 Dec 2014 19:05:13 +0100
Subject: [PATCH] cmake: libxml2 detection: try first the CMake module from
libxml2
Libxml2 >=2.9.2 provides its own CMake module, so check for it before
falling back on the CMake's module FindLibXml2.cmake.
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
---
CMakeLists.txt | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 393fee3..b4f1d26 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,7 +38,19 @@ endif()
find_library(AVAHI_CLIENT_LIBRARIES avahi-client)
find_library(AVAHI_COMMON_LIBRARIES avahi-common)
find_library(PTHREAD_LIBRARIES pthread)
-include(FindLibXml2)
+
+# Since libxml2-2.9.2, libxml2 provides its own LibXml2-config.cmake, with all
+# variables correctly set.
+# So, try first to find the CMake module provided by libxml2 package, then fallback
+# on the CMake's FindLibXml2.cmake module (which can lack some definition, especially
+# in static build case).
+find_package(LibXml2 QUIET NO_MODULE)
+if(DEFINED LIBXML2_VERSION_STRING)
+ set(LIBXML2_FOUND ON)
+ set(LIBXML2_INCLUDE_DIR ${LIBXML2_INCLUDE_DIRS})
+else()
+ include(FindLibXml2)
+endif()
set(LIBIIO_CFILES channel.c device.c context.c buffer.c utilities.c)
set(LIBIIO_HEADERS iio.h)
--
2.2.1