[Buildroot] [PATCH 1/1] package/gerbera: fix static linking with libmagic

Yann E. MORIN yann.morin.1998 at free.fr
Wed May 27 15:35:37 UTC 2020


Fabrice, All,

On 2020-05-23 21:21 +0200, Fabrice Fontaine spake thusly:
> This patch was wrongly removed when bumping the version to 1.4.0 in
> commit 6976f312fa84d4a9c4bbf99ed3b173085780dcd9
> 
> Fixes:
>  - http://autobuild.buildroot.org/results/7a53a59dd08c043f371bea967c3b450a7bddcde8
> 
> Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>

Applied to master, thanks.

Regards,
Yann E. MORIN.

> ---
>  ...indLibMagic-cmake-fix-static-linking.patch | 63 +++++++++++++++++++
>  1 file changed, 63 insertions(+)
>  create mode 100644 package/gerbera/0002-cmake-FindLibMagic-cmake-fix-static-linking.patch
> 
> diff --git a/package/gerbera/0002-cmake-FindLibMagic-cmake-fix-static-linking.patch b/package/gerbera/0002-cmake-FindLibMagic-cmake-fix-static-linking.patch
> new file mode 100644
> index 0000000000..f6cc276e70
> --- /dev/null
> +++ b/package/gerbera/0002-cmake-FindLibMagic-cmake-fix-static-linking.patch
> @@ -0,0 +1,63 @@
> +From 7fdcabd80c823694d190e5baa8c657ffcae5e777 Mon Sep 17 00:00:00 2001
> +From: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +Date: Fri, 31 Jan 2020 17:14:11 +0100
> +Subject: [PATCH] cmake/FindLibMagic.cmake: fix static linking
> +
> +libmagic can optionally depends on xz (for lzma) or bzip2 since version
> +5.38 and
> +https://github.com/file/file/commit/b259a07ea95827f565faa20f0316e5b2704064f7
> +so use pkg-config to retrieve those static dependencies and avoid the
> +following build failure:
> +
> +[100%] Linking CXX executable gerbera
> +/home/br-user/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/8.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: /home/br-user/autobuild/run/instance-0/output-1/host/arm-buildroot-linux-uclibcgnueabi/sysroot/usr/lib/libmagic.a(compress.o): in function `uncompressbuf':
> +compress.c:(.text+0x69c): undefined reference to `BZ2_bzDecompressInit'
> +/home/br-user/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/8.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: compress.c:(.text+0x710): undefined reference to `BZ2_bzDecompress'
> +/home/br-user/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/8.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: compress.c:(.text+0x730): undefined reference to `BZ2_bzDecompressEnd'
> +/home/br-user/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/8.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: compress.c:(.text+0x7bc): undefined reference to `lzma_auto_decoder'
> +/home/br-user/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/8.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: compress.c:(.text+0x828): undefined reference to `lzma_code'
> +/home/br-user/autobuild/run/instance-0/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/8.3.0/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: compress.c:(.text+0x848): undefined reference to `lzma_end'
> +
> +It should be noted that libmagic.pc is not currently provided in the
> +official file package (which provides libmagic), an issue has been
> +opened to add libmagic.pc: https://bugs.astron.com/view.php?id=136
> +
> +Fixes:
> + - http://autobuild.buildroot.org/results/37b1ef54dc41100689f311fbc31fc9300dc6ae63
> +
> +Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
> +[Retrieved from:
> +https://github.com/gerbera/gerbera/commit/7fdcabd80c823694d190e5baa8c657ffcae5e777]
> +---
> + cmake/FindLibMagic.cmake | 15 +++++++++++++--
> + 1 file changed, 13 insertions(+), 2 deletions(-)
> +
> +diff --git a/cmake/FindLibMagic.cmake b/cmake/FindLibMagic.cmake
> +index f68ab923..04995af4 100644
> +--- a/cmake/FindLibMagic.cmake
> ++++ b/cmake/FindLibMagic.cmake
> +@@ -1,11 +1,22 @@
> + INCLUDE (FindPackageHandleStandardArgs)
> + 
> +-FIND_PATH(MAGIC_INCLUDE_DIR magic.h)
> +-FIND_LIBRARY(MAGIC_LIBRARIES NAMES magic)
> ++find_package(PkgConfig QUIET)
> ++
> ++pkg_check_modules(PC_MAGIC QUIET libmagic)
> ++
> ++FIND_PATH(MAGIC_INCLUDE_DIR magic.h
> ++    HINTS ${PC_MAGIC_INCLUDEDIR} ${PC_MAGIC_INCLUDE_DIRS})
> ++FIND_LIBRARY(MAGIC_LIBRARIES NAMES magic
> ++    HINTS ${PC_MAGIC_LIBDIR} ${PC_MAGIC_LIBRARY_DIRS})
> + 
> + # handle the QUIETLY and REQUIRED arguments and set MAGIC_FOUND to TRUE
> + find_package_handle_standard_args(MAGIC DEFAULT_MSG MAGIC_LIBRARIES)
> + 
> ++if (MAGIC_FOUND)
> ++    set (MAGIC_LIBRARIES ${MAGIC_LIBRARY} ${PC_MAGIC_LIBRARIES})
> ++    set (MAGIC_INCLUDE_DIRS ${MAGIC_INCLUDE_DIR} )
> ++endif ()
> ++
> + MARK_AS_ADVANCED(
> +     MAGIC_LIBRARIES
> +     MAGIC_INCLUDE_DIRS )
> -- 
> 2.26.2
> 
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