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CompileFlags: add better selection which aCC version gets -AA +hpxstd98 flags

This commit is contained in:
Rolf Eike Beer 2014-04-13 00:48:02 +02:00
parent 973b3e7dcd
commit 185b4efe33
1 changed files with 6 additions and 2 deletions
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8
CompileFlags.cmake
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@ -54,8 +54,12 @@ if(CMAKE_SYSTEM MATCHES "OSF1-V.*")
endif()
if(CMAKE_SYSTEM_NAME MATCHES "HP-UX" AND CMAKE_CXX_COMPILER_ID MATCHES "HP")
# it is known that version 3.85 fails and 6.25 works without these flags
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4)
# HP aCC since version 3.80 supports the flag +hpxstd98 to get ANSI C++98
# template support. It is known that version 6.25 doesn't need that flag.
# Versions prior to 3.80 will not be able to build CMake. Current assumption:
# it is needed for every version from 3.80 to 4 to get it working.
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4 AND
NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.80)
# use new C++ library and improved template support
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -AA +hpxstd98")
endif()