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| author | Marc Chevrier <marc.chevrier@gmail.com> | 2022-03-02 16:32:44 (GMT) |
|---|---|---|
| committer | Marc Chevrier <marc.chevrier@gmail.com> | 2022-03-05 11:40:26 (GMT) |
| commit | b0fada9964589462127cfcc45f1c6f003c349ebc (patch) | |
| tree | 597e818443e62c71b0ce178dab32c3d310159d80 /Modules/Platform | |
| parent | a950fd9553cc4a9457bbe701399fce09ed360151 (diff) | |
| download | CMake-b0fada9964589462127cfcc45f1c6f003c349ebc.zip CMake-b0fada9964589462127cfcc45f1c6f003c349ebc.tar.gz CMake-b0fada9964589462127cfcc45f1c6f003c349ebc.tar.bz2 | |
Genex-LINK_GROUP: Add feature RESCAN
Feature RESCAN can be used to manage circular references between
static libraries.
Diffstat (limited to 'Modules/Platform')
| -rw-r--r-- | Modules/Platform/Linux.cmake | 8 | ||||
| -rw-r--r-- | Modules/Platform/SunOS.cmake | 10 | ||||
| -rw-r--r-- | Modules/Platform/Windows-GNU.cmake | 8 |
3 files changed, 26 insertions, 0 deletions
diff --git a/Modules/Platform/Linux.cmake b/Modules/Platform/Linux.cmake index b5d5464..95102e1 100644 --- a/Modules/Platform/Linux.cmake +++ b/Modules/Platform/Linux.cmake @@ -19,6 +19,14 @@ foreach(type SHARED_LIBRARY SHARED_MODULE EXE) set(CMAKE_${type}_LINK_DYNAMIC_C_FLAGS "-Wl,-Bdynamic") endforeach() + +# Features for LINK_GROUP generator expression +## RESCAN: request the linker to rescan static libraries until there is +## no pending undefined symbols +set(CMAKE_LINK_GROUP_USING_RESCAN "LINKER:--start-group" "LINKER:--end-group") +set(CMAKE_LINK_GROUP_USING_RESCAN_SUPPORTED TRUE) + + # Debian policy requires that shared libraries be installed without # executable permission. Fedora policy requires that shared libraries # be installed with the executable permission. Since the native tools diff --git a/Modules/Platform/SunOS.cmake b/Modules/Platform/SunOS.cmake index 78eccf7..e01e892 100644 --- a/Modules/Platform/SunOS.cmake +++ b/Modules/Platform/SunOS.cmake @@ -7,6 +7,16 @@ if(CMAKE_SYSTEM MATCHES "SunOS-4") set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":") endif() + +# Features for LINK_GROUP generator expression +if (CMAKE_SYSTEM_VERSION VERSION_GREATER "5.9") + ## RESCAN: request the linker to rescan static libraries until there is + ## no pending undefined symbols + set(CMAKE_LINK_GROUP_USING_RESCAN "LINKER:-z,rescan-start" "LINKER:-z,rescan-end") + set(CMAKE_LINK_GROUP_USING_RESCAN_SUPPORTED TRUE) +endif() + + include(Platform/UnixPaths) list(APPEND CMAKE_SYSTEM_PREFIX_PATH diff --git a/Modules/Platform/Windows-GNU.cmake b/Modules/Platform/Windows-GNU.cmake index 51dc146..3c24c21 100644 --- a/Modules/Platform/Windows-GNU.cmake +++ b/Modules/Platform/Windows-GNU.cmake @@ -44,6 +44,14 @@ if("${_help}" MATCHES "GNU ld .* 2\\.1[1-6]") set(__WINDOWS_GNU_LD_RESPONSE 0) endif() + +# Features for LINK_GROUP generator expression +## RESCAN: request the linker to rescan static libraries until there is +## no pending undefined symbols +set(CMAKE_LINK_GROUP_USING_RESCAN "LINKER:--start-group" "LINKER:--end-group") +set(CMAKE_LINK_GROUP_USING_RESCAN_SUPPORTED TRUE) + + macro(__windows_compiler_gnu lang) # Create archiving rules to support large object file lists for static libraries. |