termux-packages/packages/swift/foundation-rpath.patch
2020-09-18 13:24:17 +05:30

44 lines
1.7 KiB
Diff

commit 82ee1f5c31a618d3fb167953e0516dce28b52263
Date: Thu May 7 15:29:46 2020 +0530
[CMake] fix runpath for ELF platforms
Remove the absolute path to the host toolchain's stdlib from plutil, and add
it as a CMake BUILD_PATH, so that it's removed upon installation.
diff --git a/swift-corelibs-foundation/Sources/Tools/plutil/CMakeLists.txt b/swift-corelibs-foundation/Sources/Tools/plutil/CMakeLists.txt
index 7f2913b3..3c9163c1 100644
--- a/swift-corelibs-foundation/Sources/Tools/plutil/CMakeLists.txt
+++ b/swift-corelibs-foundation/Sources/Tools/plutil/CMakeLists.txt
@@ -2,6 +2,30 @@ add_executable(plutil
main.swift)
target_link_libraries(plutil PRIVATE
Foundation)
+
+# On ELF platforms, remove the absolute rpath to the host toolchain's stdlib, then add it
+# back temporarily as a BUILD_RPATH just for the tests.
+if(NOT CMAKE_SYSTEM_NAME MATCHES "Darwin|Windows")
+ target_link_options(plutil PRIVATE "SHELL:-no-toolchain-stdlib-rpath")
+
+ # This assumes the host is the target, pass a target flag when cross-compiling.
+ execute_process(
+ COMMAND ${CMAKE_Swift_COMPILER} -print-target-info
+ OUTPUT_VARIABLE output
+ ERROR_VARIABLE error_output
+ RESULT_VARIABLE result
+ )
+ if(NOT ${result} EQUAL 0)
+ message(FATAL_ERROR "Error getting target info with\n"
+ " `${CMAKE_Swift_COMPILER} -print-target-info`\n"
+ "Error:\n"
+ " ${error_output}")
+ endif()
+
+ string(REGEX MATCH "\"runtimeLibraryPaths\": \\[\n\ +\"([^\"]+)\"" path ${output})
+ set_target_properties(plutil PROPERTIES BUILD_RPATH ${CMAKE_MATCH_1})
+endif()
+
set_target_properties(plutil PROPERTIES
INSTALL_RPATH "$ORIGIN/../lib/swift/$<LOWER_CASE:${CMAKE_SYSTEM_NAME}>")