From 196fb0c0c1541cf1ec1b5e9ff8ac0e8109fde29c Mon Sep 17 00:00:00 2001
From: Jukka Ojanen <jukka.ojanen@linkotec.net>
Date: Fri, 31 Oct 2014 17:55:21 +0200
Subject: Add CMake as an alternative build system Add support for Windows x64
 (requires YASM)

---
 CMakeLists.txt | 158 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 CMakeLists.txt

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..365ec32
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,158 @@
+cmake_minimum_required(VERSION 2.8)
+
+project(ffts C ASM)
+
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
+set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+
+# default build type is Debug which means no optimization
+if(NOT CMAKE_BUILD_TYPE)
+  set(CMAKE_BUILD_TYPE "Release")
+endif(NOT CMAKE_BUILD_TYPE)
+
+# common options
+option(ENABLE_SSE
+  "Enables the use of SSE instructions." ON
+)
+
+option(ENABLE_NEON
+  "Enables the use of NEON instructions." OFF
+)
+
+option(ENABLE_VFP
+  "Enables the use of VFP instructions." OFF
+)
+
+option(DISABLE_DYNAMIC_CODE
+  "Disables the use of dynamic machine code generation." OFF
+)
+
+option(ENABLE_SHARED
+  "Enable building a shared library." OFF
+)
+
+#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic -pipe -Wall")
+add_definitions(-DFFTS_CMAKE_GENERATED)
+
+include(CheckIncludeFile)
+include(CheckLibraryExists)
+
+if(MSVC)
+  add_definitions(-D_USE_MATH_DEFINES)
+else()
+  # some systems need libm for some of the math functions to work
+  check_library_exists(m pow "" HAVE_LIBM)
+  if(HAVE_LIBM)
+    list(APPEND CMAKE_REQUIRED_LIBRARIES m)
+    list(APPEND FFTS_EXTRA_LIBRARIES m)
+  endif(HAVE_LIBM)
+endif(MSVC)
+
+include_directories(src)
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+set(FFTS_SOURCES
+  src/ffts_attributes.h
+  src/ffts.c
+  src/ffts.h
+  src/ffts_nd.c
+  src/ffts_nd.h
+  src/ffts_real.h
+  src/ffts_real.c  
+  src/ffts_real_nd.c
+  src/ffts_real_nd.h
+  src/ffts_small.c
+  src/macros.h
+  src/patterns.c
+  src/patterns.h
+  src/types.h
+)
+
+if(ENABLE_SSE)
+  list(APPEND FFTS_SOURCES
+    src/macros-sse.h
+  )
+
+  if(MSVC)
+    set(CMAKE_ASM-ATT_COMPILER yasm)
+    enable_language(ASM-ATT)
+
+    add_custom_command(
+      OUTPUT sse_win64.obj
+      COMMAND ${CMAKE_ASM-ATT_COMPILER} -f win64 -m amd64
+      -o ${CMAKE_CURRENT_BINARY_DIR}/sse_win64.obj -p gas
+      ${CMAKE_CURRENT_SOURCE_DIR}/src/sse_win64.s
+      DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/src/sse_win64.s
+      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+      COMMENT "Generating sse_win64.obj"
+    )
+
+    list(APPEND FFTS_SOURCES
+      ${CMAKE_CURRENT_BINARY_DIR}/sse_win64.obj
+      src/sse_win64.s
+    )
+  else()
+    list(APPEND FFTS_SOURCES
+      src/sse.s
+    )
+  endif(MSVC)
+
+  add_definitions(-D_USE_MATH_DEFINES)
+  add_definitions(-D__x86_64__)
+  add_definitions(-DHAVE_SSE -msse2)
+endif()
+
+if(ENABLE_NEON)
+  if(DISABLE_DYNAMIC_CODE)
+    list(APPEND FFTS_SOURCES
+      source/neon_static_f.s
+      source/neon_static_i.s
+    )
+  else()
+    list(APPEND FFTS_SOURCES
+      source/neon.s
+      source/arch/neon.c
+    )
+  endif()
+
+  add_definitions(-DHAVE_NEON)
+endif()
+
+if(ENABLE_VFP)
+  list(APPEND FFTS_SOURCES
+    source/vfp.s
+    source/arch/vfp.c
+  )
+
+  add_definitions(-DHAVE_VFP)
+endif()
+
+if(ENABLE_SINGLE)
+  add_definitions(-DHAVE_SINGLE)
+endif()
+
+if(DISABLE_DYNAMIC_CODE)
+  list(APPEND FFTS_SOURCES
+    src/ffts_static.c
+  )
+
+  add_definitions(-DDYNAMIC_DISABLED)
+else()
+  list(APPEND FFTS_SOURCES
+    src/codegen.c
+    src/codegen.h
+  )
+endif()
+
+add_library(ffts_static
+  ${FFTS_SOURCES}
+)
+
+add_executable(ffts_test
+  tests/test.c
+)
+
+target_link_libraries(ffts_test
+  ffts_static
+  ${FFTS_EXTRA_LIBRARIES}
+)
\ No newline at end of file
-- 
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