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51752fa14b
libevent2's cmake use absolute path, then cmake cannot find it when cross compiling:
```
-- Found libevent include directory: /builder/staging_dir/target-mips_24kc_musl/usr/include
-- Found libevent component: /builder/staging_dir/target-mips_24kc_musl/usr/lib/libevent_core.so
-- Found libevent component: /builder/staging_dir/target-mips_24kc_musl/usr/lib/libevent_extra.so
-- Found libevent component: /builder/staging_dir/target-mips_24kc_musl/usr/lib/libevent_openssl.so
-- Found libevent 2.1.12 in /builder/staging_dir/target-mips_24kc_musl/usr
CMake Error at /builder/staging_dir/target-mips_24kc_musl/usr/lib/cmake/libevent/LibeventTargets-shared.cmake:102 (message):
The imported target "libevent::core" references the file
"/usr/lib/libevent_core-2.1.so.7.0.1"
but this file does not exist. Possible reasons include:
* The file was deleted, renamed, or moved to another location.
* An install or uninstall procedure did not complete successfully.
* The installation package was faulty and contained
"/builder/staging_dir/target-mips_24kc_musl/usr/lib/cmake/libevent/LibeventTargets-shared.cmake"
but not all the files it references.
Call Stack (most recent call first):
/builder/staging_dir/target-mips_24kc_musl/usr/lib/cmake/libevent/LibeventConfig.cmake:168 (include)
CMakeLists.txt:34 (find_package)
```
This patch make cmake use relative imported path, so it can find libevent.
Signed-off-by: Liu Dongmiao <liudongmiao@gmail.com>
59 lines
2.2 KiB
Diff
59 lines
2.2 KiB
Diff
From 81c6b8823c1b58d7837e827bb1098aa5f9e5956b Mon Sep 17 00:00:00 2001
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From: "Jeremy W. Murphy" <jeremy.william.murphy@gmail.com>
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Date: Tue, 16 May 2023 05:07:36 +1000
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Subject: [PATCH] cmake: Only use relative paths for install DESTINATION option
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(#1405)
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As described in #1404, the explicit use of CMAKE_INSTALL_PREFIX conflicts with using command-line --prefix.
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This simply removes all explicit use of CMAKE_INSTALL_PREFIX.
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Otherwise this path will be duplicated:
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$ cmake -DCMAKE_BUILD_TYPE=debug -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_INSTALL_PREFIX=inst ..
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$ DESTDIR=inst ninja install
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...
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-- Installing: inst/src/le/libevent/.cmake-debug/inst/include/event2/util.h
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-- Installing: inst/src/le/libevent/.cmake-debug/inst/include/event2/ws.h
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...
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Fixes: #1404
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Co-authored-by: Jeremy Murphy <jeremymu@blackmagicdesign.com>
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---
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CMakeLists.txt | 3 +--
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cmake/AddEventLibrary.cmake | 4 ++--
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2 files changed, 3 insertions(+), 4 deletions(-)
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -1452,8 +1452,7 @@ endif()
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# Installation preparation.
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#
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-set(EVENT_INSTALL_CMAKE_DIR
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- "${CMAKE_INSTALL_PREFIX}/lib/cmake/libevent")
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+set(EVENT_INSTALL_CMAKE_DIR "lib/cmake/libevent")
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export(PACKAGE libevent)
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--- a/cmake/AddEventLibrary.cmake
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+++ b/cmake/AddEventLibrary.cmake
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@@ -31,7 +31,7 @@ macro(generate_pkgconfig LIB_NAME)
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configure_file("lib${LIB_NAME}.pc.in" "lib${LIB_NAME}.pc" @ONLY)
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install(
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FILES "${CMAKE_CURRENT_BINARY_DIR}/lib${LIB_NAME}.pc"
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- DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig"
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+ DESTINATION "lib/pkgconfig"
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)
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endmacro()
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@@ -150,7 +150,7 @@ macro(add_event_library LIB_NAME)
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set_target_properties(
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"${LIB_NAME}_shared" PROPERTIES
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OUTPUT_NAME "${LIB_NAME}-${EVENT_PACKAGE_RELEASE}.${CURRENT_MINUS_AGE}"
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- INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/lib"
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+ INSTALL_NAME_DIR "lib"
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LINK_FLAGS "-compatibility_version ${COMPATIBILITY_VERSION} -current_version ${COMPATIBILITY_VERSION}.${EVENT_ABI_LIBVERSION_REVISION}")
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else()
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math(EXPR CURRENT_MINUS_AGE "${EVENT_ABI_LIBVERSION_CURRENT}-${EVENT_ABI_LIBVERSION_AGE}")
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