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Merge pull request #278 from rolk/278_linkver

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Print linker version to log when configuring
This commit is contained in:
Bård Skaflestad 2013-07-05 04:25:50 -07:00
commit efc44daf76
2 changed files with 32 additions and 0 deletions
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1
cmake/Modules/OpmLibMain.cmake
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@ -50,6 +50,7 @@ vcs_info ()
# print toolchain information to identify compilers with potential bugs
include (UseCompVer)
compiler_info ()
linker_info ()
# default settings: build static debug library
include (OpmDefaults)

31
cmake/Modules/UseCompVer.cmake
View File

@ -45,3 +45,34 @@ function (compiler_info)
message (STATUS "GNU C++ compiler version: ${version}")
endif (CMAKE_COMPILER_IS_GNUCXX)
endfunction (compiler_info)
function (get_ld_version ver_name)
# run linker to get the version number. interestingly, this option works
# (for our purposes) on all major platforms (Linux, Mac OS X and Windows);
# it returns the program version although it may have ended in error
exec_program (${CMAKE_LINKER}
ARGS "-v"
OUTPUT_VARIABLE _version
)
# keep only first line, even on Mac OS X there is no line end
list (GET _version 0 _version)
# format of the version string is platform-specific
if (NOT WIN32)
if (APPLE)
string (REGEX REPLACE ".*, from Apple (.*\)" "\\1" _version "${_version}")
else (APPLE)
# assuming some GNU toolchain now
string (REGEX REPLACE "GNU ([a-zA-Z0-9_]*) (version|\\(.*\\)) ([^\\ ]*).*" "\\1 \\3" _version "${_version}")
endif (APPLE)
endif (NOT WIN32)
# return the string to the caller
set (${ver_name} "${_version}" PARENT_SCOPE)
endfunction (get_ld_version ver_name)
function (linker_info)
get_ld_version (version)
message (STATUS "Linker: ${version}")
endfunction (linker_info)