diff options
Diffstat (limited to 'Modules')
-rw-r--r-- | Modules/FortranCInterface.cmake | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/Modules/FortranCInterface.cmake b/Modules/FortranCInterface.cmake index b6ed093..980c7cb 100644 --- a/Modules/FortranCInterface.cmake +++ b/Modules/FortranCInterface.cmake @@ -27,15 +27,17 @@ # POSTFIX - string to put after sub # ISUPPER - if TRUE then sub will be called as SUB # DOC - string used in status checking Fortran ${DOC} linkage +# SUB - the name of the SUB to call # RESULT place to store result TRUE if this linkage works, FALSE # if not. # -function(test_fortran_mangling CODE PREFIX ISUPPER POSTFIX DOC RESULT) +function(test_fortran_mangling CODE PREFIX ISUPPER POSTFIX DOC SUB RESULT) if(ISUPPER) - set(FUNCTION "${PREFIX}SUB${POSTFIX}") - else(ISUPPER) - set(FUNCTION "${PREFIX}sub${POSTFIX}") + string(TOUPPER "${SUB}" sub) + else(ISUPPER) + string(TOLOWER "${SUB}" sub) endif(ISUPPER) + set(FUNCTION "${PREFIX}${sub}${POSTFIX}") # create a fortran file with sub called sub # set(TMP_DIR @@ -88,7 +90,7 @@ function(discover_fortran_module_mangling prefix suffix found) ".__test_interface_NMOD_" "__test_interface_MOD_") test_fortran_mangling("${CODE}" "${interface}" - ${FORTRAN_C_MANGLING_UPPERCASE} "" "module" worked) + ${FORTRAN_C_MANGLING_UPPERCASE} "" "module" "sub" worked) if(worked) string(REGEX REPLACE "(.*)test_interface(.*)" "\\1" pre "${interface}") string(REGEX REPLACE "(.*)test_interface(.*)" "\\2" post "${interface}") @@ -101,7 +103,8 @@ function(discover_fortran_module_mangling prefix suffix found) endfunction(discover_fortran_module_mangling) -function(discover_fortran_mangling prefix isupper suffix found ) +function(discover_fortran_mangling prefix isupper suffix extra_under_score + found ) set(CODE " subroutine sub @@ -111,14 +114,32 @@ function(discover_fortran_mangling prefix isupper suffix found ) foreach(isup TRUE FALSE) foreach(post "" "_") set(worked FALSE) - test_fortran_mangling("${CODE}" "${pre}" ${isup} "${post}" "function" worked ) + test_fortran_mangling("${CODE}" "${pre}" ${isup} + "${post}" "function" sub worked ) if(worked) message(STATUS "found Fortran function linkage") set(${isupper} "${isup}" PARENT_SCOPE) set(${prefix} "${pre}" PARENT_SCOPE) set(${suffix} "${post}" PARENT_SCOPE) set(${found} TRUE PARENT_SCOPE) - return() + set(CODE + " + subroutine my_sub + end subroutine my_sub + ") + set(worked FALSE) + test_fortran_mangling("${CODE}" "${pre}" ${isup} + "${post}" "function with _ " my_sub worked ) + if(worked) + set(${extra_under_score} FALSE PARENT_SCOPE) + else(worked) + test_fortran_mangling("${CODE}" "${pre}" ${isup} + "${post}_" "function with _ " my_sub worked ) + if(worked) + set(${extra_under_score} TRUE PARENT_SCOPE) + endif(worked) + endif(worked) + return() endif() endforeach() endforeach() @@ -129,7 +150,7 @@ endfunction(discover_fortran_mangling) function(create_fortran_c_interface NAMESPACE FUNCTIONS HEADER) if(NOT FORTRAN_C_MANGLING_FOUND) # find regular fortran function mangling - discover_fortran_mangling(prefix isupper suffix found) + discover_fortran_mangling(prefix isupper suffix extra_under found) if(NOT found) message(SEND_ERROR "Could not find fortran c name mangling.") return() @@ -141,6 +162,8 @@ function(create_fortran_c_interface NAMESPACE FUNCTIONS HEADER) "SUFFIX for Fortran to c name mangling") set(FORTRAN_C_MANGLING_UPPERCASE ${isupper} CACHE INTERNAL "Was fortran to c mangling found" ) + set(FORTRAN_C_MANGLING_EXTRA_UNDERSCORE ${extra_under} CACHE INTERNAL + "If a function has a _ in the name does the compiler append an extra _" ) set(FORTRAN_C_MANGLING_FOUND TRUE CACHE INTERNAL "Was fortran to c mangling found" ) set(prefix ) @@ -174,6 +197,9 @@ function(create_fortran_c_interface NAMESPACE FUNCTIONS HEADER) ") else("${f}" MATCHES ":") set(function "${FORTRAN_C_PREFIX}${ff}${FORTRAN_C_SUFFIX}") + if("${f}" MATCHES "_" AND FORTRAN_C_MANGLING_EXTRA_UNDERSCORE) + set(function "${function}_") + endif("${f}" MATCHES "_" AND FORTRAN_C_MANGLING_EXTRA_UNDERSCORE) set(HEADER_CONTENT "${HEADER_CONTENT} #define ${NAMESPACE}${f} ${function} ") |