CMake: Implement detection for FFTW3

cmake/modules/FindFFTW3.cmake

@@ -106,4 +106,4 @@ if(NOT FFTW3_INCLUDE_DIR OR NOT FFTW3_LIBRARY_DIR)
 endif()
 
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(FFTW DEFAULT_MSG FFTW3_LIBRARY FFTW3_INCLUDE_DIR FFTW3_LIBRARY_DIR)
+find_package_handle_standard_args(FFTW3 DEFAULT_MSG FFTW3_LIBRARY FFTW3_INCLUDE_DIR FFTW3_LIBRARY_DIR)

dtool/Config.cmake

@@ -485,17 +485,6 @@ option(HAVE_VIDEO4LINUX
   "Set this to enable webcam support on Linux." ${IS_LINUX})
 
 
-# TODO: FFTW2
-# Is libfftw installed, and where?
-#find_package(FFTW2 QUIET)
-
-#package_option(FFTW
-#  "This enables support for lossless compression of animations in
-#.bam files.  This is rarely used, and you probably don't need it.")
-
-#TODO PHAVE_DRFFTW_H
-
-
 # Is libsquish installed, and where?
 find_package(Squish QUIET)
 

dtool/LocalSetup.cmake

@@ -163,7 +163,6 @@ check_include_file_cxx(unistd.h PHAVE_UNISTD_H)
 check_include_file_cxx(utime.h PHAVE_UTIME_H)
 check_include_file_cxx(glob.h PHAVE_GLOB_H)
 check_include_file_cxx(dirent.h PHAVE_DIRENT_H)
-check_include_file_cxx(drfftw.h PHAVE_DRFFTW_H)
 check_include_file_cxx(sys/soundcard.h PHAVE_SYS_SOUNDCARD_H)
 check_include_file_cxx(ucontext.h PHAVE_UCONTEXT_H) #TODO doesn't work on OSX, use sys/ucontext.h
 check_include_file_cxx(linux/input.h PHAVE_LINUX_INPUT_H)
@@ -190,12 +189,6 @@ endif()
 # Now go through all the packages and report whether we have them.
 show_packages()
 
-if(HAVE_FFTW)
-  message("+ fftw")
-else()
-  message("- Did not find fftw")
-endif()
-
 if(HAVE_SQUISH)
   message("+ squish")
 else()

dtool/Package.cmake

@@ -70,6 +70,21 @@ package_option(TAR
   "This is used to optimize patch generation against tar files.")
 config_package(TAR "libtar")
 
+#
+# ------------ FFTW ------------
+#
+
+find_package(FFTW3 QUIET)
+
+package_option(FFTW
+  "This enables support for compression of animations in .bam files.
+  This is only necessary for creating or reading .bam files containing
+  compressed animations."
+  FOUND_AS "FFTW3"
+  LICENSE "GPL")
+
+config_package(FFTW "FFTW")
+
 # Find and configure Miles Sound System
 find_package(Miles QUIET)
 #config_package(RAD_MSS "Miles Sound System")

dtool/dtool_config.h.in

@@ -83,7 +83,7 @@
 /* Define if we have libtar installed.  */
 #cmakedefine HAVE_TAR
 
-/* Define if we have libfftw installed.  */
+/* Define if we have libfftw3 installed.  */
 #cmakedefine HAVE_FFTW
 
 /* Define if we have libsquish installed.  */
@@ -406,9 +406,6 @@
 /* Define if you have the <dirent.h> header file.  */
 #cmakedefine PHAVE_DIRENT_H
 
-/* Define if you have the <drfftw.h> header file.  */
-#cmakedefine PHAVE_DRFFTW_H
-
 /* Do we have <sys/soundcard.h> (and presumably a Linux-style audio
    interface)? */
 #cmakedefine PHAVE_SYS_SOUNDCARD_H

panda/CMakeLists.txt

@@ -5,9 +5,6 @@ endif()
 # Not sure where I want to hide these inludes yet, but it is annoying
 # to have to add them to every CMakeLists that either directly, or
 # recursively includes linmath, and other libraries etc...
-if(HAVE_FFTW)
-  include_directories(${FFTW2_INCLUDE_DIR})
-endif()
 if(HAVE_CG)
   include_directories(${CG_INCLUDE_DIRS})
 endif()

panda/src/mathutil/CMakeLists.txt

@@ -62,7 +62,8 @@ set(P3MATHUTIL_SOURCES
 
 composite_sources(p3mathutil P3MATHUTIL_SOURCES)
 add_library(p3mathutil ${P3MATHUTIL_HEADERS} ${P3MATHUTIL_SOURCES})
-target_link_libraries(p3mathutil p3event ${FFTW2_LIBRARY_DIR})
+target_link_libraries(p3mathutil p3event)
+target_use_packages(p3mathutil FFTW)
 target_interrogate(p3mathutil ALL)
 
 install(TARGETS p3mathutil DESTINATION lib)