Fix CMAKE compilation with MinGW32 and add to Appveyor

CMakeLists.txt

@@ -211,7 +211,8 @@ if (USE_THREAD)
   target_link_libraries(${OpenBLAS_LIBNAME} ${CMAKE_THREAD_LIBS_INIT})
 endif()
 
-if (MSVC OR NOT NOFORTRAN)
+#if (MSVC OR NOT NOFORTRAN)
+if (NOT NO_CBLAS)
   # Broken without fortran on unix
   add_subdirectory(utest)
 endif()

appveyor.yml

@@ -35,7 +35,14 @@ environment:
       DYNAMIC_ARCH: ON
       WITH_FORTRAN: no
     - COMPILER: cl
-
+    - COMPILER: MinGW64-gcc-7.2.0-mingw
+      DYNAMIC_ARCH: OFF
+      WITH_FORTRAN: ignore
+    - COMPILER: MinGW64-gcc-7.2.0
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
+      COMPILER: MinGW-gcc-5.3.0
+      WITH_FORTRAN: ignore
+
 install:
   - if [%COMPILER%]==[clang-cl] call %CONDA_INSTALL_LOCN%\Scripts\activate.bat
   - if [%COMPILER%]==[clang-cl] conda config --add channels conda-forge --force
@@ -52,7 +59,14 @@ install:
 before_build:
   - ps: if (-Not (Test-Path .\build)) { mkdir build }
   - cd build
+  - set PATH=%PATH:C:\Program Files\Git\usr\bin;=%
+  - if [%COMPILER%]==[MinGW-gcc-5.3.0] set PATH=C:\MinGW\bin;C:\msys64\usr\bin;C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;%PATH%
+  - if [%COMPILER%]==[MinGW64-gcc-7.2.0-mingw] set PATH=C:\MinGW\bin;C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;%PATH%
+  - if [%COMPILER%]==[MinGW64-gcc-7.2.0] set PATH=C:\msys64\usr\bin;C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;%PATH%
   - if [%COMPILER%]==[cl] cmake -G "Visual Studio 15 2017 Win64" ..
+  - if [%COMPILER%]==[MinGW64-gcc-7.2.0-mingw] cmake -G "MinGW Makefiles" -DNOFORTRAN=1 ..
+  - if [%COMPILER%]==[MinGW64-gcc-7.2.0] cmake -G "MSYS Makefiles"  -DBINARY=32 -DNOFORTRAN=1 ..
+  - if [%COMPILER%]==[MinGW-gcc-5.3.0] cmake -G "MSYS Makefiles" -DNOFORTRAN=1 ..
   - if [%WITH_FORTRAN%]==[no] cmake -G "Ninja" -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_C_COMPILER=clang-cl -DMSVC_STATIC_CRT=ON ..
   - if [%WITH_FORTRAN%]==[yes] cmake -G "Ninja" -DCMAKE_CXX_COMPILER=clang-cl -DCMAKE_C_COMPILER=clang-cl -DCMAKE_Fortran_COMPILER=flang -DBUILD_WITHOUT_LAPACK=no -DNOFORTRAN=0 ..
   - if [%DYNAMIC_ARCH%]==[ON] cmake -DDYNAMIC_ARCH=ON -DDYNAMIC_LIST='CORE2;NEHALEM;SANDYBRIDGE;BULLDOZER;HASWELL' ..
@@ -64,3 +78,4 @@ test_script:
   - echo Running Test
   - cd utest
   - openblas_utest
+

cmake/arch.cmake

@@ -81,7 +81,8 @@ if (DYNAMIC_ARCH)
   endif ()
 
   if (NOT DYNAMIC_CORE)
-    unset(DYNAMIC_ARCH)
+    message (STATUS "DYNAMIC_ARCH is not supported on this architecture, removing from options")
+    unset(DYNAMIC_ARCH CACHE)
   endif ()
 endif ()
 

cmake/prebuild.cmake

@@ -59,6 +59,9 @@ set(FU "")
 if (APPLE OR (MSVC AND NOT ${CMAKE_C_COMPILER_ID} MATCHES "Clang"))
   set(FU "_")
 endif()
+if(MINGW AND NOT MINGW64)
+  set(FU "_")
+endif()
 
 set(COMPILER_ID ${CMAKE_C_COMPILER_ID})
 if (${COMPILER_ID} STREQUAL "GNU")
@@ -82,6 +85,11 @@ endif ()
 # f_check
 if (NOT NOFORTRAN)
   include("${PROJECT_SOURCE_DIR}/cmake/f_check.cmake")
+else ()
+ file(APPEND ${TARGET_CONF_TEMP}
+   "#define BUNDERSCORE _\n"
+   "#define NEEDBUNDERSCORE 1\n")
+ set(BU "_")
 endif ()
 
 # Cannot run getarch on target if we are cross-compiling

cmake/system.cmake

@@ -70,6 +70,13 @@ if (X86_64)
   set(GETARCH_FLAGS "${GETARCH_FLAGS} -march=native")
 endif ()
 
+# On x86 no AVX support is available
+if (X86 OR X86_64)
+if ((DEFINED BINARY AND BINARY EQUAL 32) OR ("$CMAKE_SIZEOF_VOID_P}" EQUAL "4"))
+  set(GETARCH_FLAGS "${GETARCH_FLAGS} -DNO_AVX -DNO_AVX2 -DNO_AVX512")
+endif ()
+endif ()
+
 if (INTERFACE64)
   message(STATUS "Using 64-bit integers.")
   set(GETARCH_FLAGS	"${GETARCH_FLAGS} -DUSE64BITINT")
@@ -148,7 +155,9 @@ else()
 endif ()
 
 include("${PROJECT_SOURCE_DIR}/cmake/prebuild.cmake")
-
+if (DEFINED BINARY)
+  message(STATUS "Compiling a ${BINARY}-bit binary.")
+endif ()
 if (NOT DEFINED NEED_PIC)
   set(NEED_PIC 1)
 endif ()
@@ -165,6 +174,9 @@ include("${PROJECT_SOURCE_DIR}/cmake/cc.cmake")
 if (NOT NOFORTRAN)
   # Fortran Compiler dependent settings
   include("${PROJECT_SOURCE_DIR}/cmake/fc.cmake")
+else ()
+set(NO_LAPACK 1)
+set(NO_LAPACKE 1)
 endif ()
 
 if (BINARY64)
@@ -190,9 +202,14 @@ if (NEED_PIC)
 endif ()
 
 if (DYNAMIC_ARCH)
-  set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_ARCH")
-  if (DYNAMIC_OLDER)
-    set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_OLDER")
+  if (X86 OR X86_64 OR ARM64 OR PPC)
+    set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_ARCH")
+    if (DYNAMIC_OLDER)
+      set(CCOMMON_OPT "${CCOMMON_OPT} -DDYNAMIC_OLDER")
+    endif ()
+  else ()
+    unset (DYNAMIC_ARCH)
+    message (STATUS "DYNAMIC_ARCH is not supported on the target architecture, removing")
   endif ()
 endif ()