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kgryte
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build: add recipes for installing fftpack
PR-URL: #11819 Co-authored-by: Athan Reines <kgryte@gmail.com> Reviewed-by: Athan Reines <kgryte@gmail.com>
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‎deps/checksums/pffft_1_1_0_tar_gz/sha256‎

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ea0701a6bc256405b03975908a6a92d0ffecdd18579e8484b8d789c8bd561787

‎deps/test/fftpack/test_install.c‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2026 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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extern void rffti( int n, double *wsave );
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int main( void ) {
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double wsave[ 2*8 + 15 ]; // 2*n + 15
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int n = 8;
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int i;
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rffti( n, wsave );
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printf( "rffti( %d, wsave )\n", n );
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for ( i = n; i < 2*n; i++ ) {
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printf( "wsave[%2d] = %f\n", i, wsave[i] );
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}
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printf( "\n" );
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}

‎tools/make/common.mk‎

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@@ -688,3 +688,14 @@ DEPS_CPPCHECK_BUILD_OUT ?= $(DEPS_BUILD_DIR)/cppcheck_$(deps_cppcheck_version_sl
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# Host platform:
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DEPS_CPPCHECK_PLATFORM := $(shell command -v $(NODE) >/dev/null 2>&1 && $(NODE_HOST_PLATFORM))
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# FFTPACK...
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# Define the PFFFT version:
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DEPS_FFTPACK_VERSION ?= 1.1.0
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# Generate a version slug:
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deps_fftpack_version_slug := $(subst .,_,$(DEPS_FFTPACK_VERSION))
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# Define the output path when building FFTPACK:
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DEPS_FFTPACK_BUILD_OUT ?= $(DEPS_BUILD_DIR)/pffft-$(DEPS_FFTPACK_VERSION)

‎tools/make/lib/install/Makefile‎

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@@ -39,6 +39,7 @@ include $(TOOLS_MAKE_LIB_DIR)/install/cephes.mk
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include $(TOOLS_MAKE_LIB_DIR)/install/cppcheck.mk
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include $(TOOLS_MAKE_LIB_DIR)/install/electron.mk
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include $(TOOLS_MAKE_LIB_DIR)/install/emsdk.mk
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include $(TOOLS_MAKE_LIB_DIR)/install/fftpack.mk
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include $(TOOLS_MAKE_LIB_DIR)/install/llvm.mk
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include $(TOOLS_MAKE_LIB_DIR)/install/node.mk
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include $(TOOLS_MAKE_LIB_DIR)/install/openblas.mk
@@ -157,7 +158,7 @@ clean-deps-tests: clean-deps-openblas-tests
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# @example
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# make install-deps-dev
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#/
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install-deps-dev: install-deps-boost install-deps-cephes install-deps-cppcheck install-deps-python install-deps-r install-deps-shellcheck
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install-deps-dev: install-deps-boost install-deps-cephes install-deps-cppcheck install-deps-fftpack install-deps-python install-deps-r install-deps-shellcheck
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.PHONY: install-deps-dev
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# @example
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# make clean-deps-dev
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#/
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clean-deps-dev: clean-deps-boost clean-deps-cephes clean-deps-cppcheck clean-deps-python clean-deps-r clean-deps-shellcheck
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clean-deps-dev: clean-deps-boost clean-deps-cephes clean-deps-cppcheck clean-deps-fftpack clean-deps-python clean-deps-r clean-deps-shellcheck
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.PHONY: clean-deps-dev
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# @example
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# make clean-deps-dev-tests
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#/
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clean-deps-dev-tests: clean-deps-boost-tests clean-deps-cephes-tests clean-deps-cppcheck-tests clean-deps-shellcheck-tests
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clean-deps-dev-tests: clean-deps-boost-tests clean-deps-cephes-tests clean-deps-cppcheck-tests clean-deps-fftpack-tests clean-deps-shellcheck-tests
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.PHONY: clean-deps-dev-tests
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‎tools/make/lib/install/fftpack.mk‎

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#/
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# @license Apache-2.0
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#
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# Copyright (c) 2026 The Stdlib Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#/
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# VARIABLES #
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# Define the download URL:
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DEPS_FFTPACK_URL ?= https://github.com/marton78/pffft/archive/refs/tags/v$(DEPS_FFTPACK_VERSION).tar.gz
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# Determine the basename for the download:
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deps_fftpack_basename := pffft-$(DEPS_FFTPACK_VERSION).tar.gz
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# Define the path to the file containing a checksum to verify a download:
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DEPS_FFTPACK_CHECKSUM ?= $(shell $(CAT) $(DEPS_CHECKSUMS_DIR)/$(subst .,_,$(subst -,_,$(deps_fftpack_basename)))/sha256)
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# Define the output path when downloading:
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DEPS_FFTPACK_DOWNLOAD_OUT ?= $(DEPS_TMP_DIR)/$(deps_fftpack_basename)
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# Define a list of source files:
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deps_fftpack_src := \
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src/fftpack.c
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# Resolve a list of source files to absolute filepaths:
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DEPS_FFTPACK_SRC ?= $(addprefix $(DEPS_FFTPACK_BUILD_OUT)/,$(deps_fftpack_src))
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# Define the path to the directory containing tests:
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DEPS_FFTPACK_TEST_DIR ?= $(DEPS_DIR)/test/fftpack
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# Define the output directory path for compiled tests:
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DEPS_FFTPACK_TEST_OUT ?= $(DEPS_FFTPACK_TEST_DIR)/build
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# Define the path to a test file for checking an installation:
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DEPS_FFTPACK_TEST_INSTALL ?= $(DEPS_FFTPACK_TEST_DIR)/test_install.c
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# Define the output path for a test file:
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DEPS_FFTPACK_TEST_INSTALL_OUT ?= $(DEPS_FFTPACK_TEST_OUT)/test_install
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# RULES #
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#/
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# Downloads an FFTPACK distribution.
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#
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# @private
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#/
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$(DEPS_FFTPACK_DOWNLOAD_OUT): | $(DEPS_TMP_DIR)
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$(QUIET) echo 'Downloading FFTPACK...' >&2
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$(QUIET) $(DEPS_DOWNLOAD_BIN) $(DEPS_FFTPACK_URL) $(DEPS_FFTPACK_DOWNLOAD_OUT)
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#/
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# Extracts an FFTPACK gzipped tar archive.
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#
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# @private
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#/
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$(DEPS_FFTPACK_BUILD_OUT): $(DEPS_FFTPACK_DOWNLOAD_OUT) | $(DEPS_BUILD_DIR)
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$(QUIET) echo 'Extracting FFTPACK...' >&2
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$(QUIET) $(TAR) -zxf $(DEPS_FFTPACK_DOWNLOAD_OUT) -C $(DEPS_BUILD_DIR)
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#/
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# Creates a directory for storing compiled tests.
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#
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# @private
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#/
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$(DEPS_FFTPACK_TEST_OUT):
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$(QUIET) $(MKDIR_RECURSIVE) $(DEPS_FFTPACK_TEST_OUT)
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#/
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# Compiles a test file for testing an FFTPACK installation.
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#
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# @private
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#/
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$(DEPS_FFTPACK_TEST_INSTALL_OUT): $(DEPS_FFTPACK_BUILD_OUT) $(DEPS_FFTPACK_TEST_OUT)
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$(QUIET) $(CC) -I $(DEPS_FFTPACK_BUILD_OUT) $(DEPS_FFTPACK_TEST_INSTALL) $(DEPS_FFTPACK_SRC) -o $(DEPS_FFTPACK_TEST_INSTALL_OUT)
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#/
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# Downloads an FFTPACK distribution.
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#
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# @private
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#
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# @example
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# make deps-download-fftpack
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#/
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deps-download-fftpack: $(DEPS_FFTPACK_DOWNLOAD_OUT)
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.PHONY: deps-download-fftpack
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#/
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# Verifies a downloaded FFTPACK distribution.
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#
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# @private
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#
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# @example
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# make deps-verify-fftpack
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#/
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deps-verify-fftpack: deps-download-fftpack
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$(QUIET) echo 'Verifying download...' >&2
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$(QUIET) $(DEPS_CHECKSUM_BIN) $(DEPS_FFTPACK_DOWNLOAD_OUT) $(DEPS_FFTPACK_CHECKSUM) >&2
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.PHONY: deps-verify-fftpack
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#/
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# Extracts a downloaded FFTPACK distribution.
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#
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# @private
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#
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# @example
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# make deps-extract-fftpack
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#/
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deps-extract-fftpack: $(DEPS_FFTPACK_BUILD_OUT)
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.PHONY: deps-extract-fftpack
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#/
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# Tests an installed FFTPACK distribution.
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#
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# @private
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#
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# @example
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# make deps-test-fftpack
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#/
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deps-test-fftpack: $(DEPS_FFTPACK_TEST_INSTALL_OUT)
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$(QUIET) echo 'Running tests...' >&2
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$(QUIET) $(DEPS_FFTPACK_TEST_INSTALL_OUT)
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$(QUIET) echo '' >&2
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$(QUIET) echo 'Success.' >&2
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.PHONY: deps-test-fftpack
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#/
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# Installs FFTPACK.
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#
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# @example
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# make install-deps-fftpack
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#/
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install-deps-fftpack: deps-download-fftpack deps-verify-fftpack deps-extract-fftpack deps-test-fftpack
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.PHONY: install-deps-fftpack
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#/
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# Removes an installed FFTPACK distribution.
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#
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# ## Notes
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#
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# - The rule does **not** remove an FFTPACK download (if one exists).
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#
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# @example
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# make clean-deps-fftpack
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#/
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clean-deps-fftpack: clean-deps-fftpack-tests
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$(QUIET) $(DELETE) $(DELETE_FLAGS) $(DEPS_FFTPACK_BUILD_OUT)
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.PHONY: clean-deps-fftpack
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#/
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# Removes compiled FFTPACK installation tests.
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#
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# @example
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# make clean-deps-fftpack-tests
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#/
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clean-deps-fftpack-tests:
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$(QUIET) $(DELETE) $(DELETE_FLAGS) $(DEPS_FFTPACK_TEST_OUT)
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.PHONY: clean-deps-fftpack-tests

‎tools/make/lib/test-fixtures/c.mk‎

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echo "Generating test fixtures: $$file"; \
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cd `dirname $$file` && \
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$(MAKE) clean && \
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CEPHES="$(DEPS_CEPHES_BUILD_OUT)" CEPHES_SRC="$(DEPS_CEPHES_SRC)" $(MAKE) && \
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CEPHES="$(DEPS_CEPHES_BUILD_OUT)" CEPHES_SRC="$(DEPS_CEPHES_SRC)" FFTPACK_SRC="$(DEPS_FFTPACK_SRC)" $(MAKE) && \
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$(MAKE) run || exit 1; \
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done
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echo "Generating test fixtures: $$file"; \
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cd `dirname $$file` && \
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$(MAKE) clean && \
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CEPHES="$(DEPS_CEPHES_BUILD_OUT)" CEPHES_SRC="$(DEPS_CEPHES_SRC)" $(MAKE) && \
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CEPHES="$(DEPS_CEPHES_BUILD_OUT)" CEPHES_SRC="$(DEPS_CEPHES_SRC)" FFTPACK_SRC="$(DEPS_FFTPACK_SRC)" $(MAKE) && \
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$(MAKE) run || exit 1; \
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done
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