Merge branch 'develop' into z14

Author: mtk-i

.travis.yml

@@ -4,11 +4,10 @@ dist: precise
 sudo: true
 language: c
 
-jobs:
+matrix:
   include:
     - &test-ubuntu
       os: linux
-      stage: test
       compiler: gcc
       addons:
         apt:
@@ -59,7 +58,6 @@ jobs:
         - BTYPE="BINARY=32"
 
     - os: linux
-      stage: test
       compiler: gcc
       addons:
         apt:
@@ -80,13 +78,12 @@ jobs:
     # that don't require sudo.
     - &test-alpine
       os: linux
-      stage: test
       dist: trusty
       sudo: true
       language: minimal
       before_install:
-        - "wget 'https://raw.githubusercontent.com/alpinelinux/alpine-chroot-install/v0.6.0/alpine-chroot-install' \
-              && echo 'a827a4ba3d0817e7c88bae17fe34e50204983d1e  alpine-chroot-install' | sha1sum -c || exit 1"
+        - "wget 'https://raw.githubusercontent.com/alpinelinux/alpine-chroot-install/v0.9.0/alpine-chroot-install' \
+          && echo 'e5dfbbdc0c4b3363b99334510976c86bfa6cb251  alpine-chroot-install' | sha1sum -c || exit 1"
         - alpine() { /alpine/enter-chroot -u "$USER" "$@"; }
       install:
         - sudo sh alpine-chroot-install -p 'build-base gfortran perl linux-headers'
@@ -120,11 +117,10 @@ jobs:
     - <<: *test-alpine
       env:
         - TARGET_BOX=LINUX64_MUSL
-        - BTYPE="BINARY=64 NO_AFFINITY=1 USE_OPENMP=0 NO_LAPACK=0 TARGET=core2"
+        - BTYPE="BINARY=64 NO_AFFINITY=1 USE_OPENMP=0 NO_LAPACK=0 TARGET=CORE2"
 
     - &test-cmake
       os: linux
-      stage: test
       compiler: clang
       addons:
         apt:
@@ -153,8 +149,7 @@ jobs:
 
     - &test-macos
       os: osx
-      stage: test
-      osx_image: xcode8
+      osx_image: xcode10.1
       before_script:
         - COMMON_FLAGS="DYNAMIC_ARCH=1 TARGET=NEHALEM NUM_THREADS=32"
         - brew update
@@ -168,6 +163,42 @@ jobs:
       env:
         - BTYPE="BINARY=32"
 
+    - &emulated-arm
+      dist: trusty
+      sudo: required
+      services: docker
+      env: IMAGE_ARCH=arm32 TARGET_ARCH=ARMV6 COMPILER=gcc
+      name: "Emulated Build for ARMV6 with gcc"
+      before_install: sudo docker run --rm --privileged multiarch/qemu-user-static:register --reset
+      script: |
+        echo "FROM openblas/alpine:${IMAGE_ARCH}
+        COPY . /tmp/openblas
+        RUN mkdir /tmp/openblas/build                             &&  \
+            cd /tmp/openblas/build                                &&  \
+            CC=${COMPILER} cmake -D DYNAMIC_ARCH=OFF                  \
+                                 -D TARGET=${TARGET_ARCH}             \
+                                 -D BUILD_SHARED_LIBS=ON              \
+                                 -D BUILD_WITHOUT_LAPACK=ON           \
+                                 -D BUILD_WITHOUT_CBLAS=ON            \
+                                 -D CMAKE_BUILD_TYPE=Release ../  &&  \
+            cmake --build ." > Dockerfile
+        docker build .
+    - <<: *emulated-arm
+      env: IMAGE_ARCH=arm32 TARGET_ARCH=ARMV6 COMPILER=clang
+      name: "Emulated Build for ARMV6 with clang"
+    - <<: *emulated-arm
+      env: IMAGE_ARCH=arm64 TARGET_ARCH=ARMV8 COMPILER=gcc
+      name: "Emulated Build for ARMV8 with gcc"
+    - <<: *emulated-arm
+      env: IMAGE_ARCH=arm64 TARGET_ARCH=ARMV8 COMPILER=clang
+      name: "Emulated Build for ARMV8 with clang"
+
+  allow_failures:
+    - env: IMAGE_ARCH=arm32 TARGET_ARCH=ARMV6 COMPILER=gcc
+    - env: IMAGE_ARCH=arm32 TARGET_ARCH=ARMV6 COMPILER=clang
+    - env: IMAGE_ARCH=arm64 TARGET_ARCH=ARMV8 COMPILER=gcc
+    - env: IMAGE_ARCH=arm64 TARGET_ARCH=ARMV8 COMPILER=clang
+
 # whitelist
 branches:
   only:

CMakeLists.txt

@@ -6,7 +6,7 @@ cmake_minimum_required(VERSION 2.8.5)
 project(OpenBLAS C ASM)
 set(OpenBLAS_MAJOR_VERSION 0)
 set(OpenBLAS_MINOR_VERSION 3)
-set(OpenBLAS_PATCH_VERSION 3.dev)
+set(OpenBLAS_PATCH_VERSION 6.dev)
 set(OpenBLAS_VERSION "${OpenBLAS_MAJOR_VERSION}.${OpenBLAS_MINOR_VERSION}.${OpenBLAS_PATCH_VERSION}")
 
 # Adhere to GNU filesystem layout conventions
@@ -15,16 +15,21 @@ include(GNUInstallDirs)
 include(CMakePackageConfigHelpers)
 
 
-set(OpenBLAS_LIBNAME openblas)
-
 #######
 if(MSVC)
-option(BUILD_WITHOUT_LAPACK "Without LAPACK and LAPACKE (Only BLAS or CBLAS)" ON)
+option(BUILD_WITHOUT_LAPACK "Do not build LAPACK and LAPACKE (Only BLAS or CBLAS)" ON)
 endif()
-option(BUILD_WITHOUT_CBLAS "Without CBLAS" OFF)
-option(DYNAMIC_ARCH "Build with DYNAMIC_ARCH" OFF)
-option(DYNAMIC_OLDER "Support older cpus with DYNAMIC_ARCH" OFF)
-option(BUILD_RELAPACK "Build with ReLAPACK (recursive LAPACK" OFF)
+option(BUILD_WITHOUT_CBLAS "Do not build the C interface (CBLAS) to the BLAS functions" OFF)
+option(DYNAMIC_ARCH "Include support for multiple CPU targets, with automatic selection at runtime (x86/x86_64 only)" OFF)
+option(DYNAMIC_OLDER "Include specific support for older cpu models (Penryn,Dunnington,Atom,Nano,Opteron) with DYNAMIC_ARCH" OFF)
+option(BUILD_RELAPACK "Build with ReLAPACK (recursive implementation of several LAPACK functions on top of standard LAPACK)" OFF)
+
+# Add a prefix or suffix to all exported symbol names in the shared library.
+# Avoids conflicts with other BLAS libraries, especially when using
+# 64 bit integer interfaces in OpenBLAS.
+
+set(SYMBOLPREFIX "" CACHE STRING  "Add a prefix to all exported symbol names in the shared library to avoid conflicts with other BLAS libraries" )
+set(SYMBOLSUFFIX "" CACHE STRING  "Add a suffix to all exported symbol names in the shared library, e.g. _64 for INTERFACE64 builds" )
 #######
 if(BUILD_WITHOUT_LAPACK)
 set(NO_LAPACK 1)
@@ -37,12 +42,27 @@ endif()
 
 #######
 
+if(MSVC AND MSVC_STATIC_CRT)
+    set(CompilerFlags
+            CMAKE_CXX_FLAGS
+            CMAKE_CXX_FLAGS_DEBUG
+            CMAKE_CXX_FLAGS_RELEASE
+            CMAKE_C_FLAGS
+            CMAKE_C_FLAGS_DEBUG
+            CMAKE_C_FLAGS_RELEASE
+            )
+    foreach(CompilerFlag ${CompilerFlags})
+      string(REPLACE "/MD" "/MT" ${CompilerFlag} "${${CompilerFlag}}")
+    endforeach()
+endif()
 
-message(WARNING "CMake support is experimental. This will not produce the same Makefiles that OpenBLAS ships with. Only x86 support is currently available.")
+message(WARNING "CMake support is experimental. It does not yet support all build options and may not produce the same Makefiles that OpenBLAS ships with.")
 
 include("${PROJECT_SOURCE_DIR}/cmake/utils.cmake")
 include("${PROJECT_SOURCE_DIR}/cmake/system.cmake")
 
+set(OpenBLAS_LIBNAME openblas${SUFFIX64_UNDERSCORE})
+
 set(BLASDIRS interface driver/level2 driver/level3 driver/others)
 
 if (NOT DYNAMIC_ARCH)
@@ -127,7 +147,7 @@ endif ()
 
 # Only generate .def for dll on MSVC and always produce pdb files for debug and release
 if(MSVC)
-  if (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} LESS 3.4)
+  if (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} VERSION_LESS 3.4)
     set(OpenBLAS_DEF_FILE "${PROJECT_BINARY_DIR}/openblas.def")
   endif()
   set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /Zi")
@@ -142,15 +162,9 @@ if (${DYNAMIC_ARCH})
   endforeach()
 endif ()
 
-# Only build shared libs for MSVC
-if (MSVC)
-  set(BUILD_SHARED_LIBS ON)
-endif()
-
-
 # add objects to the openblas lib
 add_library(${OpenBLAS_LIBNAME} ${LA_SOURCES} ${LAPACKE_SOURCES} ${RELA_SOURCES} ${TARGET_OBJS} ${OpenBLAS_DEF_FILE})
-target_include_directories(${OpenBLAS_LIBNAME} INTERFACE $<INSTALL_INTERFACE:include>)
+target_include_directories(${OpenBLAS_LIBNAME} INTERFACE $<INSTALL_INTERFACE:include/openblas${SUFFIX64}>)
 
 # Android needs to explicitly link against libm
 if(ANDROID)
@@ -159,7 +173,7 @@ endif()
 
 # Handle MSVC exports
 if(MSVC AND BUILD_SHARED_LIBS)
-  if (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} LESS 3.4)
+  if (${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} VERSION_LESS 3.4)
     include("${PROJECT_SOURCE_DIR}/cmake/export.cmake")
   else()
     # Creates verbose .def file (51KB vs 18KB)
@@ -210,15 +224,84 @@ set_target_properties(${OpenBLAS_LIBNAME} PROPERTIES
   SOVERSION ${OpenBLAS_MAJOR_VERSION}
 )
 
+if (BUILD_SHARED_LIBS AND NOT ${SYMBOLPREFIX}${SYMBOLSUFIX} STREQUAL "")
+if (NOT DEFINED ARCH)
+  set(ARCH_IN "x86_64")
+else()
+  set(ARCH_IN ${ARCH})
+endif()
+
+if (${CORE} STREQUAL "generic")
+  set(ARCH_IN "GENERIC")
+endif ()
+
+if (NOT DEFINED EXPRECISION)
+  set(EXPRECISION_IN 0)
+else()
+  set(EXPRECISION_IN ${EXPRECISION})
+endif()
+
+if (NOT DEFINED NO_CBLAS)
+  set(NO_CBLAS_IN 0)
+else()
+  set(NO_CBLAS_IN ${NO_CBLAS})
+endif()
+
+if (NOT DEFINED NO_LAPACK)
+  set(NO_LAPACK_IN 0)
+else()
+  set(NO_LAPACK_IN ${NO_LAPACK})
+endif()
+
+if (NOT DEFINED NO_LAPACKE)
+  set(NO_LAPACKE_IN 0)
+else()
+  set(NO_LAPACKE_IN ${NO_LAPACKE})
+endif()
+
+if (NOT DEFINED NEED2UNDERSCORES)
+  set(NEED2UNDERSCORES_IN 0)
+else()
+  set(NEED2UNDERSCORES_IN ${NEED2UNDERSCORES})
+endif()
+
+if (NOT DEFINED ONLY_CBLAS)
+  set(ONLY_CBLAS_IN 0)
+else()
+  set(ONLY_CBLAS_IN ${ONLY_CBLAS})
+endif()
+
+if (NOT DEFINED BU)
+  set(BU _)
+endif()
+
+if (NOT ${SYMBOLPREFIX} STREQUAL "")
+message(STATUS "adding prefix ${SYMBOLPREFIX} to names of exported symbols in ${OpenBLAS_LIBNAME}")
+endif()
+if (NOT ${SYMBOLSUFFIX} STREQUAL "")
+message(STATUS "adding suffix ${SYMBOLSUFFIX} to names of exported symbols in ${OpenBLAS_LIBNAME}")
+endif()
+	add_custom_command(TARGET ${OpenBLAS_LIBNAME} POST_BUILD
+  	COMMAND perl  ${PROJECT_SOURCE_DIR}/exports/gensymbol "objcopy" "${ARCH}" "${BU}" "${EXPRECISION_IN}" "${NO_CBLAS_IN}" "${NO_LAPACK_IN}" "${NO_LAPACKE_IN}" "${NEED2UNDERSCORES_IN}" "${ONLY_CBLAS_IN}" \"${SYMBOLPREFIX}\" \"${SYMBOLSUFFIX}\" "${BUILD_LAPACK_DEPRECATED}" > ${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()
+
+
 # Install project
 
 # Install libraries
 install(TARGETS ${OpenBLAS_LIBNAME}
-	EXPORT "OpenBLASTargets"
+	EXPORT "OpenBLAS${SUFFIX64}Targets"
 	RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 	ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} )
 
+# Install headers
+set(CMAKE_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_INCLUDEDIR}/openblas${SUFFIX64})
+set(CMAKE_INSTALL_FULL_INCLUDEDIR ${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR})
+
 message(STATUS "Generating openblas_config.h in ${CMAKE_INSTALL_INCLUDEDIR}")
 
 set(OPENBLAS_CONFIG_H ${CMAKE_BINARY_DIR}/openblas_config.h)
@@ -238,7 +321,7 @@ install (FILES ${OPENBLAS_CONFIG_H} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 if(NOT NOFORTRAN)
   message(STATUS "Generating f77blas.h in ${CMAKE_INSTALL_INCLUDEDIR}")
 
-  set(F77BLAS_H ${CMAKE_BINARY_DIR}/f77blas.h)
+  set(F77BLAS_H ${CMAKE_BINARY_DIR}/generated/f77blas.h)
   file(WRITE  ${F77BLAS_H} "#ifndef OPENBLAS_F77BLAS_H\n")
   file(APPEND ${F77BLAS_H} "#define OPENBLAS_F77BLAS_H\n")
   file(APPEND ${F77BLAS_H} "#include \"openblas_config.h\"\n")
@@ -251,10 +334,11 @@ endif()
 if(NOT NO_CBLAS)
 	message (STATUS "Generating cblas.h in ${CMAKE_INSTALL_INCLUDEDIR}")
 
+	set(CBLAS_H ${CMAKE_BINARY_DIR}/generated/cblas.h)
 	file(READ ${CMAKE_CURRENT_SOURCE_DIR}/cblas.h CBLAS_H_CONTENTS)
 	string(REPLACE "common" "openblas_config" CBLAS_H_CONTENTS_NEW "${CBLAS_H_CONTENTS}")
-	file(WRITE ${CMAKE_BINARY_DIR}/cblas.tmp "${CBLAS_H_CONTENTS_NEW}")
-	install (FILES ${CMAKE_BINARY_DIR}/cblas.tmp DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} RENAME cblas.h)
+	file(WRITE ${CBLAS_H} "${CBLAS_H_CONTENTS_NEW}")
+	install (FILES ${CBLAS_H} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 endif()
 
 if(NOT NO_LAPACKE)
@@ -266,29 +350,31 @@ if(NOT NO_LAPACKE)
 	ADD_CUSTOM_TARGET(genlapacke
 	COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/lapack-netlib/LAPACKE/include/lapacke_mangling_with_flags.h.in "${CMAKE_BINARY_DIR}/lapacke_mangling.h"
 	)
-	install (FILES ${CMAKE_BINARY_DIR}/lapacke_mangling.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+	install (FILES ${CMAKE_BINARY_DIR}/lapacke_mangling.h DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/openblas${SUFFIX64})
 endif()
 
 include(FindPkgConfig QUIET)
 if(PKG_CONFIG_FOUND)
-	configure_file(${PROJECT_SOURCE_DIR}/cmake/openblas.pc.in ${PROJECT_BINARY_DIR}/openblas.pc @ONLY)
-	install (FILES ${PROJECT_BINARY_DIR}/openblas.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig/)
+	configure_file(${PROJECT_SOURCE_DIR}/cmake/openblas.pc.in ${PROJECT_BINARY_DIR}/openblas${SUFFIX64}.pc @ONLY)
+	install (FILES ${PROJECT_BINARY_DIR}/openblas${SUFFIX64}.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig/)
 endif()
 
 
 # GNUInstallDirs "DATADIR" wrong here; CMake search path wants "share".
 set(PN OpenBLAS)
-set(CMAKECONFIG_INSTALL_DIR "share/cmake/${PN}")
+set(CMAKECONFIG_INSTALL_DIR "share/cmake/${PN}${SUFFIX64}")
 configure_package_config_file(cmake/${PN}Config.cmake.in
-                              "${CMAKE_CURRENT_BINARY_DIR}/${PN}Config.cmake"
+                              "${CMAKE_CURRENT_BINARY_DIR}/${PN}${SUFFIX64}Config.cmake"
                               INSTALL_DESTINATION ${CMAKECONFIG_INSTALL_DIR})
 write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${PN}ConfigVersion.cmake
                                  VERSION ${${PN}_VERSION}
                                  COMPATIBILITY AnyNewerVersion)
-install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PN}Config.cmake
-              ${CMAKE_CURRENT_BINARY_DIR}/${PN}ConfigVersion.cmake
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PN}${SUFFIX64}Config.cmake
+        DESTINATION ${CMAKECONFIG_INSTALL_DIR})
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${PN}ConfigVersion.cmake
+        RENAME ${PN}${SUFFIX64}ConfigVersion.cmake
         DESTINATION ${CMAKECONFIG_INSTALL_DIR})
-install(EXPORT "${PN}Targets"
-        NAMESPACE "${PN}::"
+install(EXPORT "${PN}${SUFFIX64}Targets"
+        NAMESPACE "${PN}${SUFFIX64}::"
         DESTINATION ${CMAKECONFIG_INSTALL_DIR})