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Detect object files in implicit link information 

The NAG Fortran compiler implicitly passes object files by full path to
the linker.  Teach CMakeParseImplicitLinkInfo to parse object files that
match some tool-specific regular expression.
This commit is contained in:
Brad King 2010-12-09 17:07:34 -05:00
parent 63d21c1f8e
commit fe3f878f15
3 changed files with 16 additions and 3 deletions
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3
Modules/CMakeDetermineCompilerABI.cmake
View File

@ -64,7 +64,8 @@ FUNCTION(CMAKE_DETERMINE_COMPILER_ABI lang src)
AND NOT "${CMAKE_OSX_ARCHITECTURES}" MATCHES ";"
# Skip this with Xcode for now.
AND NOT "${CMAKE_GENERATOR}" MATCHES Xcode)
CMAKE_PARSE_IMPLICIT_LINK_INFO("${OUTPUT}" implicit_libs implicit_dirs log)
CMAKE_PARSE_IMPLICIT_LINK_INFO("${OUTPUT}" implicit_libs implicit_dirs log
"${CMAKE_${lang}_IMPLICIT_OBJECT_REGEX}")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Parsed ${lang} implicit link information from above output:\n${log}\n\n")
ENDIF()

7
Modules/CMakeParseImplicitLinkInfo.cmake
View File

@ -16,7 +16,7 @@
# This is used internally by CMake and should not be included by user
# code.
function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var log_var)
function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var log_var obj_regex)
set(implicit_libs_tmp "")
set(implicit_dirs_tmp)
set(log "")
@ -59,6 +59,11 @@ function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var log_var)
# Unix library full path.
list(APPEND implicit_libs_tmp ${arg})
set(log "${log} arg [${arg}] ==> lib [${arg}]\n")
elseif("${arg}" MATCHES "^(.:)?[/\\].*\\.o$"
AND obj_regex AND "${arg}" MATCHES "${obj_regex}")
# Object file full path.
list(APPEND implicit_libs_tmp ${arg})
set(log "${log} arg [${arg}] ==> obj [${arg}]\n")
elseif("${arg}" MATCHES "^-Y(P,)?")
# Sun search path.
string(REGEX REPLACE "^-Y(P,)?" "" dirs "${arg}")

9
Tests/CMakeTests/ImplicitLinkInfoTest.cmake.in
View File

@ -77,6 +77,13 @@ set(linux64_pgf90_libs "pgf90;pgf90_rpm1;pgf902;pgf90rtl;pgftnrtl;nspgc;pgc;rt;p
set(linux64_pgf90_dirs "/opt/compiler/pgi/linux86-64/8.0-3/lib;/usr/lib64;/usr/lib64/gcc/x86_64-suse-linux/4.1.2")
list(APPEND platforms linux64_pgf90)
# nagfor dummy.f -Wl,-v
set(linux64_nagfor_text " /usr/libexec/gcc/x86_64-redhat-linux/4.4.5/collect2 --no-add-needed --eh-frame-hdr --build-id -m elf_x86_64 --hash-style=gnu -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o a.out /usr/lib/gcc/x86_64-redhat-linux/4.4.5/../../../../lib64/crt1.o /usr/lib/gcc/x86_64-redhat-linux/4.4.5/../../../../lib64/crti.o /usr/lib/gcc/x86_64-redhat-linux/4.4.5/crtbegin.o -L/usr/lib/gcc/x86_64-redhat-linux/4.4.5 -L/usr/lib/gcc/x86_64-redhat-linux/4.4.5 -L/usr/lib/gcc/x86_64-redhat-linux/4.4.5/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib/gcc/x86_64-redhat-linux/4.4.5/../../.. /usr/local/NAG/lib/f90_init.o /usr/local/NAG/lib/quickfit.o dummy.o -rpath /usr/local/NAG/lib /usr/local/NAG/lib/libf53.so /usr/local/NAG/lib/libf53.a -lm -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/lib/gcc/x86_64-redhat-linux/4.4.5/crtend.o /usr/lib/gcc/x86_64-redhat-linux/4.4.5/../../../../lib64/crtn.o")
set(linux64_nagfor_libs "/usr/local/NAG/lib/f90_init.o;/usr/local/NAG/lib/quickfit.o;/usr/local/NAG/lib/libf53.a;m;c")
set(linux64_nagfor_dirs "/usr/lib/gcc/x86_64-redhat-linux/4.4.5;/usr/lib64;/lib64;/usr/lib")
set(linux64_nagfor_obj_regex "^/usr/local/NAG/lib")
list(APPEND platforms linux64_nagfor)
# gcc dummy.c -v # in strange path
set(linux64_test1_text "
/this/might/match/as/a/linker/ld/but/it/is/not because the ld is not the last path component
@ -380,7 +387,7 @@ list(APPEND platforms msys_g77)
# Test parsing for all above examples.
foreach(p IN LISTS platforms)
cmake_parse_implicit_link_info("${${p}_text}" libs dirs log)
cmake_parse_implicit_link_info("${${p}_text}" libs dirs log "${${p}_obj_regex}")
foreach(v libs dirs)
if(NOT "${${v}}" STREQUAL "${${p}_${v}}")