add fftw3 (patch from #3987)

git-svn-id: svn://svn.openwrt.org/openwrt/packages@12576 3c298f89-4303-0410-b956-a3cf2f4a3e73

libs/fftw3/Makefile

@@ -0,0 +1,59 @@
+# 
+# Copyright (C) 2007 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+# $Id: $
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=fftw3
+PKG_VERSION:=3.1.2
+
+
+PKG_SOURCE_URL:=http://www.fftw.org/
+PKG_SOURCE:=fftw-3.1.2.tar.gz
+PKG_MD5SUM:=08f2e21c9fd02f4be2bd53a62592afa4
+
+PKG_BUILD_DIR:=$(BUILD_DIR)/fftw-$(PKG_VERSION)
+PKG_INSTALL_DIR:=$(PKG_BUILD_DIR)/ipkg-install
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/fftw3
+  SECTION:=Libraries
+  CATEGORY:=Libraries
+  TITLE:=Fast Fourier transform library
+  URL:=http://www.fftw.org/
+endef
+
+define Package/fftw3/description
+	FFTW is a collection of fast C routines for computing the
+	Discrete Fourier Transform in one or more dimensions. It
+	includes complex, real, and parallel transforms, and can
+	handle arbitrary array sizes efficiently.
+	http://www.fftw.org/
+endef
+
+CONFIGURE_ARGS += \
+	--prefix=/usr \
+	--without-libiconv-prefix \
+	--without-libintl-prefix \
+	--disable-nls \
+	--enable-shared \
+	--enable-threads \
+	--enable-double \
+	--enable-type-prefix \
+	--disable-debug \
+	--disable-fortran \
+
+define Build/Compile
+	$(MAKE) -C $(PKG_BUILD_DIR) DESTDIR="$(PKG_INSTALL_DIR)" install
+endef
+
+define Package/fftw3/install
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libfftw3.so* $(1)/usr/lib/
+endef
+
+$(eval $(call BuildPackage,fftw3))

libs/fftw3/patches/001-makefile.patch

@@ -0,0 +1,21 @@
+diff -Naur fftw-3.1.2/Makefile.in fftw-3.1.2-p/Makefile.in
+--- fftw-3.1.2/Makefile.in	2006-01-28 01:19:57.000000000 +0100
++++ fftw-3.1.2-p/Makefile.in	2006-03-13 20:50:29.829075989 +0100
+@@ -112,7 +112,7 @@
+ ETAGS = etags
+ CTAGS = ctags
+ DIST_SUBDIRS = support genfft genfft-k7 kernel simd dft rdft reodft \
+-	threads api libbench2 . tests doc tools
++	threads api libbench2 . doc tools
+ DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ distdir = $(PACKAGE)-$(VERSION)
+ top_distdir = $(distdir)
+@@ -277,7 +277,7 @@
+ @MAINTAINER_MODE_TRUE@GENFFT = genfft genfft-k7
+ ACLOCAL_AMFLAGS = -I ./m4
+ SUBDIRS = support $(GENFFT) kernel simd dft rdft reodft threads api	\
+-libbench2 . tests doc tools
++libbench2 .
+ 
+ EXTRA_DIST = COPYRIGHT bootstrap.sh CONVENTIONS fftw.pc.in m4
+ @HAVE_SIMD_FALSE@SIMD_LIBS =