[lld] r246139 - lld-link: Unify symlink code with llvm-lib
Martell Malone via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 26 22:18:36 PDT 2015
Author: martell
Date: Thu Aug 27 00:18:36 2015
New Revision: 246139
URL: http://llvm.org/viewvc/llvm-project?rev=246139&view=rev
Log:
lld-link: Unify symlink code with llvm-lib
Modified:
lld/trunk/tools/lld/CMakeLists.txt
lld/trunk/tools/lld/install_symlink.cmake
Modified: lld/trunk/tools/lld/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/tools/lld/CMakeLists.txt?rev=246139&r1=246138&r2=246139&view=diff
==============================================================================
--- lld/trunk/tools/lld/CMakeLists.txt (original)
+++ lld/trunk/tools/lld/CMakeLists.txt Thu Aug 27 00:18:36 2015
@@ -11,18 +11,19 @@ target_link_libraries(lld
install(TARGETS lld
RUNTIME DESTINATION bin)
-# Create the lld-link[.exe] symlink in the build directory. If symlink is not
-# supported by the operating system, create a copy instead.
if(UNIX)
- set(command create_symlink)
- # Make relative symlink
- set(src "lld${CMAKE_EXECUTABLE_SUFFIX}")
+ set(LLD_LINK_OR_COPY create_symlink)
+ set(lld_binary "lld${CMAKE_EXECUTABLE_SUFFIX}")
+
else()
- set(command copy)
- set(src "${LLVM_RUNTIME_OUTPUT_INTDIR}/lld${CMAKE_EXECUTABLE_SUFFIX}")
+ set(LLD_LINK_OR_COPY copy)
+ set(lld_binary "${LLVM_RUNTIME_OUTPUT_INTDIR}/lld${CMAKE_EXECUTABLE_SUFFIX}")
endif()
-set(dst "${LLVM_RUNTIME_OUTPUT_INTDIR}/lld-link${CMAKE_EXECUTABLE_SUFFIX}")
-add_custom_command(TARGET lld POST_BUILD
- COMMAND ${CMAKE_COMMAND} -E ${command} ${src} ${dst})
+
+set(lld_link "${LLVM_RUNTIME_OUTPUT_INTDIR}/lld-link${CMAKE_EXECUTABLE_SUFFIX}")
+
+add_custom_command(OUTPUT ${lld_link}
+ COMMAND ${CMAKE_COMMAND} -E ${LLD_LINK_OR_COPY} "${lld_binary}" "${lld_link}"
+ DEPENDS lld)
install(SCRIPT install_symlink.cmake -DCMAKE_INSTALL_PREFIX=\"${CMAKE_INSTALL_PREFIX}\")
Modified: lld/trunk/tools/lld/install_symlink.cmake
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/tools/lld/install_symlink.cmake?rev=246139&r1=246138&r2=246139&view=diff
==============================================================================
--- lld/trunk/tools/lld/install_symlink.cmake (original)
+++ lld/trunk/tools/lld/install_symlink.cmake Thu Aug 27 00:18:36 2015
@@ -1,3 +1,6 @@
+# We need to execute this script at installation time because the
+# DESTDIR environment variable may be unset at configuration time.
+# See PR8397.
if(UNIX)
set(LINK_OR_COPY create_symlink)
set(DESTDIR $ENV{DESTDIR})
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