Don't rename symbols on MinGW-w64

Author: MehdiChinoune

CMakeLists.txt

@@ -78,14 +78,14 @@ set(SYMBOLPREFIX "" CACHE STRING  "Add a prefix to all exported symbol names in
 
 set(SYMBOLSUFFIX "" CACHE STRING  "Add a suffix to all exported symbol names in the shared library, e.g. _64 for INTERFACE64 builds" )
 
-if (CMAKE_SYSTEM_NAME MATCHES "Windows" AND BUILD_SHARED_LIBS AND NOT ("${SYMBOLPREFIX}${SYMBOLSUFFIX}" STREQUAL ""))
-set (DELETE_STATIC_LIBS "")
-if (NOT BUILD_STATIC_LIBS)
-	message (STATUS "forcing build of a temporary static library for symbol renaming")
-	set (BUILD_SHARED_LIBS OFF CACHE BOOL "Build shared library" FORCE)
-	set (BUILD_STATIC_LIBS ON CACHE BOOL "Build static library" FORCE)
-	set (DELETE_STATIC_LIBS  file (REMOVE $<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.lib))
-endif ()
+if (MSVC AND BUILD_SHARED_LIBS AND NOT ("${SYMBOLPREFIX}${SYMBOLSUFFIX}" STREQUAL ""))
+  set (DELETE_STATIC_LIBS "")
+  if (NOT BUILD_STATIC_LIBS)
+    message (STATUS "forcing build of a temporary static library for symbol renaming")
+    set (BUILD_SHARED_LIBS OFF CACHE BOOL "Build shared library" FORCE)
+    set (BUILD_STATIC_LIBS ON CACHE BOOL "Build static library" FORCE)
+    set (DELETE_STATIC_LIBS  file (REMOVE $<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.lib))
+  endif ()
 endif()
 
 
@@ -516,42 +516,42 @@ if (BUILD_SHARED_LIBS OR DELETE_STATIC_LIBS AND NOT ${SYMBOLPREFIX}${SYMBOLSUFFI
 	  set (BZ 0)
   endif()
 
-  if (CMAKE_SYSTEM_NAME MATCHES "Windows")
-set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
-set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
-if (CMAKE_BUILD_TYPE MATCHES "Debug")
-set (CRTLIB msvcrtd)
-set (PDBOPT -debug -pdb:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.pdb)
-set (PDB_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
-else ()
-set (CRTLIB msvcrt)
-set (PDBOPT "")
-endif()
- #if (USE_PERL)
-message(STATUS "adding postbuild instruction to rename syms")
-  add_custom_command(TARGET ${OpenBLAS_LIBNAME}_static POST_BUILD
-	COMMAND perl ${PROJECT_SOURCE_DIR}/exports/gensymbol.pl "win2k" "${ARCH}" "${BU}" "${EXPRECISION_IN}" "${NO_CBLAS_IN}" "${NO_LAPACK_IN}" "${NO_LAPACKE_IN}" "${NEED2UNDERSCORES_IN}" "${ONLY_CBLAS_IN}" "${SYMBOLPREFIX}" "${SYMBOLSUFFIX}" "${BLD}" "${BBF16}" "${BS}" "${BD}" "${BC}" "${BZ}" > ${PROJECT_BINARY_DIR}/renamesyms.def
-	COMMAND ${CMAKE_C_COMPILER} ${CMAKE_C_FLAGS} -I${PROJECT_SOURCE_DIR} -I${PROJECT_BINARY_DIR} -c -o ${PROJECT_BINARY_DIR}/dllinit.o ${PROJECT_SOURCE_DIR}/exports/dllinit.c
-	COMMAND lld-link -nodefaultlib:libcmt -defaultlib:${CRTLIB} ${CMAKE_LINKER_FLAGS} -errorlimit:0 -def:${PROJECT_BINARY_DIR}/renamesyms.def ${PROJECT_BINARY_DIR}/dllinit.o $<TARGET_FILE:${OpenBLAS_LIBNAME}_static> -wholearchive:$<TARGET_FILE:${OpenBLAS_LIBNAME}_static> -dll -out:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.dll -implib:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.dll.a ${PDBOPT} 
-	#COMMAND lld-link -nodefaultlib:libcmt -defaultlib:msvcrt ${CMAKE_LINKER_FLAGS} -errorlimit:0 -def:${PROJECT_BINARY_DIR}/renamesyms.def ${PROJECT_BINARY_DIR}/dllinit.o $<TARGET_FILE:${OpenBLAS_LIBNAME}_static> -wholearchive:$<TARGET_FILE:${OpenBLAS_LIBNAME}_static> -dll -out:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.dll -implib:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.dll.a
-	 ${REMOVE_STATIC_LIB} VERBATIM
-  )
-  #endif ()
+  if (MSVC)
+    set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
+    set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
+    if (CMAKE_BUILD_TYPE MATCHES "Debug")
+      set (CRTLIB msvcrtd)
+      set (PDBOPT -debug -pdb:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.pdb)
+      set (PDB_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/lib)
+    else ()
+      set (CRTLIB msvcrt)
+      set (PDBOPT "")
+    endif()
+    #if (USE_PERL)
+    message(STATUS "adding postbuild instruction to rename syms")
+    add_custom_command(TARGET ${OpenBLAS_LIBNAME}_static POST_BUILD
+      COMMAND perl ${PROJECT_SOURCE_DIR}/exports/gensymbol.pl "win2k" "${ARCH}" "${BU}" "${EXPRECISION_IN}" "${NO_CBLAS_IN}" "${NO_LAPACK_IN}" "${NO_LAPACKE_IN}" "${NEED2UNDERSCORES_IN}" "${ONLY_CBLAS_IN}" "${SYMBOLPREFIX}" "${SYMBOLSUFFIX}" "${BLD}" "${BBF16}" "${BS}" "${BD}" "${BC}" "${BZ}" > ${PROJECT_BINARY_DIR}/renamesyms.def
+      COMMAND ${CMAKE_C_COMPILER} ${CMAKE_C_FLAGS} -I${PROJECT_SOURCE_DIR} -I${PROJECT_BINARY_DIR} -c -o ${PROJECT_BINARY_DIR}/dllinit.o ${PROJECT_SOURCE_DIR}/exports/dllinit.c
+      COMMAND lld-link -nodefaultlib:libcmt -defaultlib:${CRTLIB} ${CMAKE_LINKER_FLAGS} -errorlimit:0 -def:${PROJECT_BINARY_DIR}/renamesyms.def ${PROJECT_BINARY_DIR}/dllinit.o $<TARGET_FILE:${OpenBLAS_LIBNAME}_static> -wholearchive:$<TARGET_FILE:${OpenBLAS_LIBNAME}_static> -dll -out:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.dll -implib:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.dll.a ${PDBOPT} 
+      #COMMAND lld-link -nodefaultlib:libcmt -defaultlib:msvcrt ${CMAKE_LINKER_FLAGS} -errorlimit:0 -def:${PROJECT_BINARY_DIR}/renamesyms.def ${PROJECT_BINARY_DIR}/dllinit.o $<TARGET_FILE:${OpenBLAS_LIBNAME}_static> -wholearchive:$<TARGET_FILE:${OpenBLAS_LIBNAME}_static> -dll -out:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.dll -implib:$<TARGET_FILE_DIR:${OpenBLAS_LIBNAME}_static>/${OpenBLAS_LIBNAME}.dll.a
+      ${REMOVE_STATIC_LIB} VERBATIM
+      )
+    #endif ()
   else ()
-  if (NOT USE_PERL)
-  add_custom_command(TARGET ${OpenBLAS_LIBNAME}_shared POST_BUILD
-	  COMMAND sh ${PROJECT_SOURCE_DIR}/exports/gensymbol "objcopy" "${ARCH}" "${BU}" "${EXPRECISION_IN}" "${NO_CBLAS_IN}" "${NO_LAPACK_IN}" "${NO_LAPACKE_IN}" "${NEED2UNDERSCORES_IN}" "${ONLY_CBLAS_IN}" \"${SYMBOLPREFIX}\" \"${SYMBOLSUFFIX}\" "${BLD}" "${BBF16}" "${BS}" "${BD}" "${BC}" "${BZ}" > ${PROJECT_BINARY_DIR}/objcopy.def
-    COMMAND objcopy -v --redefine-syms ${PROJECT_BINARY_DIR}/objcopy.def  ${PROJECT_BINARY_DIR}/lib/${OpenBLAS_LIBNAME}.so
-    COMMENT "renaming symbols"
-    )
-  else()
-  add_custom_command(TARGET ${OpenBLAS_LIBNAME}_shared POST_BUILD
-    COMMAND perl ${PROJECT_SOURCE_DIR}/exports/gensymbol.pl "objcopy" "${ARCH}" "${BU}" "${EXPRECISION_IN}" "${NO_CBLAS_IN}" "${NO_LAPACK_IN}" "${NO_LAPACKE_IN}" "${NEED2UNDERSCORES_IN}" "${ONLY_CBLAS_IN}" \"${SYMBOLPREFIX}\" \"${SYMBOLSUFFIX}\" "${BLD}" "${BBF16}" "${BS}" "${BD}" "${BC}" "${BZ}" > ${PROJECT_BINARY_DIR}/objcopy.def
-    COMMAND objcopy -v --redefine-syms ${PROJECT_BINARY_DIR}/objcopy.def  ${PROJECT_BINARY_DIR}/lib/lib${OpenBLAS_LIBNAME}.so
-    COMMENT "renaming symbols"
-    )
-  endif()
-endif()
+    if (NOT USE_PERL)
+      add_custom_command(TARGET ${OpenBLAS_LIBNAME}_shared POST_BUILD
+        COMMAND sh ${PROJECT_SOURCE_DIR}/exports/gensymbol "objcopy" "${ARCH}" "${BU}" "${EXPRECISION_IN}" "${NO_CBLAS_IN}" "${NO_LAPACK_IN}" "${NO_LAPACKE_IN}" "${NEED2UNDERSCORES_IN}" "${ONLY_CBLAS_IN}" \"${SYMBOLPREFIX}\" \"${SYMBOLSUFFIX}\" "${BLD}" "${BBF16}" "${BS}" "${BD}" "${BC}" "${BZ}" > ${PROJECT_BINARY_DIR}/objcopy.def
+        COMMAND objcopy -v --redefine-syms ${PROJECT_BINARY_DIR}/objcopy.def  ${PROJECT_BINARY_DIR}/lib/${OpenBLAS_LIBNAME}.so
+        COMMENT "renaming symbols"
+        )
+    else()
+      add_custom_command(TARGET ${OpenBLAS_LIBNAME}_shared POST_BUILD
+        COMMAND perl ${PROJECT_SOURCE_DIR}/exports/gensymbol.pl "objcopy" "${ARCH}" "${BU}" "${EXPRECISION_IN}" "${NO_CBLAS_IN}" "${NO_LAPACK_IN}" "${NO_LAPACKE_IN}" "${NEED2UNDERSCORES_IN}" "${ONLY_CBLAS_IN}" \"${SYMBOLPREFIX}\" \"${SYMBOLSUFFIX}\" "${BLD}" "${BBF16}" "${BS}" "${BD}" "${BC}" "${BZ}" > ${PROJECT_BINARY_DIR}/objcopy.def
+        COMMAND objcopy -v --redefine-syms ${PROJECT_BINARY_DIR}/objcopy.def  ${PROJECT_BINARY_DIR}/lib/lib${OpenBLAS_LIBNAME}.so
+        COMMENT "renaming symbols"
+        )
+      endif()
+    endif()
 endif()
 
 if (BUILD_BENCHMARKS)