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| author | Chuck Atkins <chuck.atkins@kitware.com> | 2014-11-04 11:01:56 -0500 |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2014-11-10 10:26:30 -0500 |
| commit | 04f442f755fbfb317f6790e36686e05c4c906ba0 (patch) | |
| tree | 6789e60fb2ef802c6bf7df5a706d2dc9c3eb2da9 /CompileFlags.cmake | |
| parent | 0c3ddf8b652311ec2a9447a9e6303691841628b4 (diff) | |
| download | cmake-04f442f755fbfb317f6790e36686e05c4c906ba0.tar.gz | |
Workaround for short jump tables on PA-RISC.
The PA-RISC architecture requires special options for GCC to prevent
linker errors when libraries reach a certain size and / or complexity.
See http://mraw.org/blog/2007/10/10/Linking_on_hppa and gcc
documentation on -mlong-calls.
Diffstat (limited to 'CompileFlags.cmake')
| -rw-r--r-- | CompileFlags.cmake | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/CompileFlags.cmake b/CompileFlags.cmake index a4a4a78c98..7e9fb16c8c 100644 --- a/CompileFlags.cmake +++ b/CompileFlags.cmake @@ -65,6 +65,16 @@ if(CMAKE_SYSTEM_NAME MATCHES "HP-UX" AND CMAKE_CXX_COMPILER_ID MATCHES "HP") endif() endif() +# Workaround for short jump tables on PA-RISC +if(CMAKE_SYSTEM_PROCESSOR MATCHES "^parisc") + if(CMAKE_COMPILER_IS_GNUC) + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mlong-calls") + endif() + if(CMAKE_COMPILER_IS_GNUCXX) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mlong-calls") + endif() +endif() + # use the ansi CXX compile flag for building cmake if (CMAKE_ANSI_CXXFLAGS) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_ANSI_CXXFLAGS}") @@ -74,10 +84,4 @@ if (CMAKE_ANSI_CFLAGS) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_ANSI_CFLAGS}") endif () -# avoid binutils problem with large binaries, e.g. when building CMake in debug mode -# See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50230 -if (CMAKE_SYSTEM_NAME STREQUAL Linux AND CMAKE_SYSTEM_PROCESSOR STREQUAL parisc) - set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--unique=.text._*") -endif () - include (${CMAKE_ROOT}/Modules/CMakeBackwardCompatibilityCXX.cmake) |