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package/gerbera: add upstream patch to fix find_program with taglib-config

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Add an from from upstream to fix linking Gerbera with taglib. The patch
fixes the following issue:

When cross-compiling CMakes `find_program()` will search for binaries on the
host. This is typically correct, e.g. when search for compilers or shells.

When cross-compiling, searching for `taglib-config` using `find_program` should
not find the binary on the host, instead it should find the binary in the sysroot
directory, as the host `taglib-config` will output the wrong host paths
and libs, whereas the sysroot `taglib-config` will output the correct sysroot
paths and libs.

Therefore, use the `CMAKE_FIND_ROOT_PATH_MODE_PROGRAM` variable when
cross-compiling. This variable controls whether the `CMAKE_FIND_ROOT_PATH`
and `CMAKE_SYSROOT` are used by find_program().

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Jörg Krause 2019-06-10 23:20:23 +02:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent ad29cd6224
commit 6d52768315
1 changed files with 46 additions and 0 deletions
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46
package/gerbera/0002-Fix-find_program-taglib-config-when-cross-compiling.patch Normal file
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@ -0,0 +1,46 @@
From 0f78b883f02651bd15a96a7294e01f94b28c20f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=B6rg=20Krause?= <joerg.krause@embedded.rocks>
Date: Mon, 13 May 2019 13:42:14 +0200
Subject: [PATCH] Fix find_program taglib-config when cross-compiling
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
When cross-compiling Gerbera CMakes `find_program()` will search for
binaries on the host. This is typically correct, e.g. when search for
compilers or shells.
When cross-compiling searching for `taglib-config` should not find the
binary on the host, instead it should find the binary in the sysroot
directory, as the host `taglib-config` will output the wrong host paths
and libs, whereas the sysroot `taglib-config` will output the correct sysroot
paths and libs.
Therefore, use the `CMAKE_FIND_ROOT_PATH_MODE_PROGRAM` variable when
cross-compiling. This variable controls whether the `CMAKE_FIND_ROOT_PATH`
and `CMAKE_SYSROOT` are used by find_program().
Backported from: 0f78b883f02651bd15a96a7294e01f94b28c20f8
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
---
cmake/FindTaglib.cmake | 3 +++
1 file changed, 3 insertions(+)
diff --git a/cmake/FindTaglib.cmake b/cmake/FindTaglib.cmake
index 46a20ff2..7135d766 100644
--- a/cmake/FindTaglib.cmake
+++ b/cmake/FindTaglib.cmake
@@ -19,6 +19,9 @@ ELSE()
endif(NOT TAGLIB_MIN_VERSION)
if(NOT WIN32)
+ if (CMAKE_CROSSCOMPILING)
+ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
+ endif(CMAKE_CROSSCOMPILING)
find_program(TAGLIBCONFIG_EXECUTABLE NAMES taglib-config PATHS
${BIN_INSTALL_DIR}
)
--
2.22.0