sci-libs/fftw-3.3.10.PKGBUILD

@@ -0,0 +1,95 @@
+pkgname=fftw
+pkgver=3.3.10
+pkgdesc="Fast C library for the Discrete Fourier Transform"
+homepage="https://www.fftw.org/"
+licenses=("GPL-2+")
+_patches=("fftw-3.3.10-fixup-cmake-optional.patch")
+_patch_sums=("517ea0d21ba360db7c9d2fe805dec9de30362a71a567e7b034f7c569433d206f6b3abae4a8dfb704970e02d8d9b30cb9a578946417b4c1986fbfee6db68267b0")
+sources=("${pkgname}-${pkgver/_p/-pl}.tar.gz"
+  ${_patches[@]}
+)
+urls=("https://www.fftw.org/${sources[0]}"
+  ${_patches[@]}
+)
+sha512sums=("2d34b5ccac7b08740dbdacc6ebe451d8a34cf9d9bfec85a5e776e87adf94abfd803c222412d8e10fbaa4ed46f504aa87180396af1b108666cde4314a55610b40"
+  ${_patch_sums[@]}
+)
+
+_multibuild=(single double longdouble)
+
+src_prepare() {
+  tar -xf ${distdir}/${sources[0]} --strip-components=1
+  for _patch in ${_patches[@]}; do
+    patch -p1 -i ${filedir}/${_patch}
+  done
+}
+
+src_build() {
+  CFLAGS+=" -O3"
+
+  local conf_args=(
+    --prefix=/usr
+    --enable-shared
+    --disable-static
+    --enable-fma #cpu_flags_x86_fma3
+    --disable-fortran
+    --disable-mips-zbus-timer
+    --disable-threads
+    --enable-openmp
+    --disable-mpi
+  )
+  local conf_args_single=(
+    "${conf_args[@]}"
+    --enable-single
+    --disable-altivec
+    --enable-avx
+    --enable-avx2
+    --enable-sse
+    --enable-sse2
+  )
+  local conf_args_double=(
+    "${conf_args[@]}"
+    --enable-avx
+    --enable-avx2
+    --enable-sse2
+  )
+  local conf_args_longdouble=(
+    "${conf_args[@]}"
+    --enable-long-double
+  )
+
+  for _build in "${_multibuild[@]}"; do
+    mkdir -pv build-"${_build}"
+    pushd build-${_build}
+      case ${_build} in
+        single)
+          ../configure "${conf_args_single[@]}"
+          ;;
+        double)
+          ../configure "${conf_args_double[@]}"
+          ;;
+        longdouble)
+          ../configure "${conf_args_longdouble[@]}"
+          ;;
+      esac
+    popd
+  done
+
+  for _build in "${_multibuild[@]}"; do
+    make -C build-${_build}
+  done
+}
+
+src_check() {
+  for _build in "${_multibuild[@]}"; do
+    make smallcheck -C build-${_build}/tests
+  done
+}
+
+src_install() {
+  for _build in "${_multibuild[@]}"; do
+    make DESTDIR="$pkgdir" install -C build-${_build}
+  done
+}
+
+# vim:ft=sh syn=sh et sw=2:

sci-libs/fftw-3.3.10/fftw-3.3.10-fixup-cmake-optional.patch

@@ -0,0 +1,25 @@
+https://bugs.gentoo.org/913518
+https://github.com/FFTW/fftw3/issues/130
+https://github.com/FFTW/fftw3/pull/338
+
+From f69fef7aa546d4477a2a3fd7f13fa8b2f6c54af7 Mon Sep 17 00:00:00 2001
+From: Tobias Mayer <tobim@fastmail.fm>
+Date: Tue, 24 Oct 2023 13:46:33 +0200
+Subject: [PATCH] Fix the cmake config file when configured with autotools
+
+When the autotools based build is used the FFTW3ConfigDeps.cmake file is
+not generated, so including it fails with an error. By making the
+include optional, the config file can still be used in a limited
+fashion.
+--- a/FFTW3Config.cmake.in
++++ b/FFTW3Config.cmake.in
+@@ -10,7 +10,7 @@ set (FFTW3@PREC_SUFFIX@_LIBRARIES fftw3@PREC_SUFFIX@)
+ set (FFTW3@PREC_SUFFIX@_LIBRARY_DIRS @CMAKE_INSTALL_FULL_LIBDIR@)
+ set (FFTW3@PREC_SUFFIX@_INCLUDE_DIRS @CMAKE_INSTALL_FULL_INCLUDEDIR@)
+ 
+-include ("${CMAKE_CURRENT_LIST_DIR}/FFTW3LibraryDepends.cmake")
++include ("${CMAKE_CURRENT_LIST_DIR}/FFTW3LibraryDepends.cmake" OPTIONAL)
+ 
+ if (CMAKE_VERSION VERSION_LESS 2.8.3)
+   set (CMAKE_CURRENT_LIST_DIR)
+