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LinkerId: Match linker id and version more robustly

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Extract version number output only after explicitly matching it.
This commit is contained in:
Brad King
2023-12-08 12:45:29 -05:00
parent 007b2c0efa
commit 1e42a0cf18
1 changed files with 15 additions and 21 deletions
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36
Modules/Internal/CMakeDetermineLinkerId.cmake
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@@ -33,49 +33,43 @@ function(cmake_determine_linker_id lang linker)
set(linker_frontend)
set(linker_version)
# Compute the linker ID
if (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND linker_desc MATCHES "@\\(#\\)PROGRAM:ld")
# Compute the linker ID and version.
if (CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND linker_desc MATCHES "@\\(#\\)PROGRAM:ld.+PROJECT:[a-z0-9]+-([0-9.]+).+")
set(linker_id "AppleClang")
set(linker_frontend "GNU")
elseif (linker_desc MATCHES "mold \\(sold\\)")
set(linker_version "${CMAKE_MATCH_1}")
elseif (linker_desc MATCHES "mold \\(sold\\) ([0-9.]+)")
set(linker_id "MOLD")
set(linker_frontend "GNU")
elseif (linker_desc MATCHES "mold")
set(linker_version "${CMAKE_MATCH_1}")
elseif (linker_desc MATCHES "mold ([0-9.]+)")
set(linker_id "MOLD")
set(linker_frontend "GNU")
elseif (linker_desc MATCHES "LLD")
set(linker_version "${CMAKE_MATCH_1}")
elseif (linker_desc MATCHES "LLD ([0-9.]+)")
set(linker_id "LLD")
set(linker_frontend "GNU")
set(linker_version "${CMAKE_MATCH_1}")
if (WIN32 AND NOT linker_desc MATCHES "compatible with GNU")
set (linker_frontend "MSVC")
endif()
elseif (linker_desc MATCHES "GNU ld")
elseif (linker_desc MATCHES "GNU ld \\([^)]+\\) ([0-9.]+)")
set(linker_id "GNU")
set(linker_frontend "GNU")
elseif (linker_desc MATCHES "GNU gold")
set(linker_version "${CMAKE_MATCH_1}")
elseif (linker_desc MATCHES "GNU gold \\([^)]+\\) ([0-9.]+)")
set(linker_id "GNUgold")
set(linker_frontend "GNU")
elseif (linker_desc MATCHES "Microsoft \\(R\\) Incremental Linker")
set(linker_version "${CMAKE_MATCH_1}")
elseif (linker_desc MATCHES "Microsoft \\(R\\) Incremental Linker Version ([0-9.]+)")
set(linker_id "MSVC")
set(linker_frontend "MSVC")
set(linker_version "${CMAKE_MATCH_1}")
else()
# unknown linker
set(linker_id "UNKNOWN")
endif()
# Get linker version
if (linker_id STREQUAL "AppleClang")
string(REGEX REPLACE ".+PROJECT:[a-z0-9]+-([0-9.]+).+" "\\1" linker_version "${linker_desc}")
elseif (linker_id MATCHES "MOLD|SOLD")
string(REGEX REPLACE "^mold (\\(sold\\) )?([0-9.]+).+" "\\2" linker_version "${linker_desc}")
elseif (linker_id STREQUAL "LLD")
string(REGEX REPLACE ".*LLD ([0-9.]+).*" "\\1" linker_version "${linker_desc}")
elseif (linker_id MATCHES "(GNU|GOLD)")
string(REGEX REPLACE "^GNU [^ ]+ \\([^)]+\\) ([0-9.]+).*" "\\1" linker_version "${linker_desc}")
elseif (linker_id STREQUAL "MSVC")
string(REGEX REPLACE ".+Linker Version ([0-9.]+).+" "\\1" linker_version "${linker_desc}")
endif()
set(CMAKE_${lang}_COMPILER_LINKER_ID "${linker_id}" PARENT_SCOPE)
if (linker_frontend)
set(CMAKE_${lang}_COMPILER_LINKER_FRONTEND_VARIANT "${linker_frontend}" PARENT_SCOPE)