diff options
Diffstat (limited to 'cmake/Modules')
| -rw-r--r-- | cmake/Modules/GrMiscUtils.cmake | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/cmake/Modules/GrMiscUtils.cmake b/cmake/Modules/GrMiscUtils.cmake index 27003cf59..7b0c00272 100644 --- a/cmake/Modules/GrMiscUtils.cmake +++ b/cmake/Modules/GrMiscUtils.cmake @@ -208,3 +208,28 @@ function(GR_GEN_TARGET_DEPS name var) set(${var} "DEPENDS;${name};COMMAND;${name}" PARENT_SCOPE) endif() endfunction(GR_GEN_TARGET_DEPS) + + +######################################################################## +# Control availability of vmcircbuf methods. +# For now, only allows disabling of shm methods, which cause uncatchable +# segmentation faults on Cygwin with gcc 4.x (x <= 5) +# Usage: +# GR_VMCIRCBUF() +# +# Will set TRY_SHM_VMCIRCBUF to 1 by default except on Windows machines. +# Can manually set with -DTRY_SHM_VMCIRCBUF=0|1 +######################################################################## +function(GR_VMCIRCBUF) + if(WIN32) + OPTION(TRY_SHM_VMCIRCBUF "Try SHM VMCIRCBUF" OFF) + else(WIN32) + OPTION(TRY_SHM_VMCIRCBUF "Try SHM VMCIRCBUF" ON) + endif(WIN32) + + message(STATUS "TRY_SHM_VMCIRCBUF set to ${TRY_SHM_VMCIRCBUF}.") + + if(TRY_SHM_VMCIRCBUF) + add_definitions( -DTRY_SHM_VMCIRCBUF ) + endif(TRY_SHM_VMCIRCBUF) +endfunction(GR_VMCIRCBUF) |