Mercurial > libjeffpc > experimental
changeset 108:4672eba7b1ed v0.10-rc3
cmake: generate and use GNU version scripts when necessary
Instead of assuming that we're always using the Illumos linker when handling
mapfiles, use the GNU ld specific way of passing version scripts when we
detect that we're using GNU ld.
Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
| author | Josef 'Jeff' Sipek <jeffpc@josefsipek.net> |
|---|---|
| date | Sat, 30 Apr 2016 18:15:37 -0400 |
| parents | 3d59e3c778f3 |
| children | 5797865a0b3d |
| files | .gitignore cmake/mapfile.cmake |
| diffstat | 2 files changed, 22 insertions(+), 3 deletions(-) [+] |
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--- a/.gitignore Sat Apr 30 18:10:56 2016 -0400 +++ b/.gitignore Sat Apr 30 18:15:37 2016 -0400 @@ -5,6 +5,7 @@ cmake_install.cmake install_manifest.txt Testing +mapfile-vers.gnu sexpr.lex.c sexpr.tab.c
--- a/cmake/mapfile.cmake Sat Apr 30 18:10:56 2016 -0400 +++ b/cmake/mapfile.cmake Sat Apr 30 18:15:37 2016 -0400 @@ -21,9 +21,27 @@ # macro(target_apply_mapfile tgt mapfile) - # This is assuming an illumos-style -M linker option & mapfile format + if (HAVE_GNU_LD) + set(ld_script "${CMAKE_CURRENT_BINARY_DIR}/${mapfile}.gnu") + set(ld_flag "'-Wl,${ld_script}'") + add_custom_command( + OUTPUT "${ld_script}" + COMMAND echo "VERSION {" > "${ld_script}" + COMMAND cat "${CMAKE_CURRENT_SOURCE_DIR}/${mapfile}" >> "${ld_script}" + COMMAND echo "'};'" >> "${ld_script}" + DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${mapfile}" + COMMENT "Generating ${mapfile}.gnu for ${tgt}" + ) + add_custom_target("${tgt}-${mapfile}" DEPENDS "${ld_script}") + add_dependencies("${tgt}" "${tgt}-${mapfile}") + else() + # This is assuming an illumos-style -M linker option & + # mapfile format + set(ld_script "${CMAKE_CURRENT_SOURCE_DIR}/${mapfile}") + set(ld_flag "-Wl,-M '${ld_script}'") + endif() set_target_properties("${tgt}" PROPERTIES - LINK_FLAGS "-Wl,-M '${CMAKE_CURRENT_SOURCE_DIR}/${mapfile}'" - LINK_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${mapfile}" + LINK_FLAGS "${ld_flag}" + LINK_DEPENDS "${ld_script}" ) endmacro()