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Description: Detect and link with libfftw3 in cmake build
Author: Andreas Bombe <aeb@debian.org>
Last-Update: 2025-03-15 <YYYY-MM-DD, last update of the meta-information, optional>
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,10 +41,11 @@
include (CheckFunctionExists)
include (CheckLibraryExists)
include (CheckSymbolExists)
+find_package(PkgConfig REQUIRED)
# check for hardware acceleration
include(cmake/FindSIMD.cmake)
-# TODO: check for FFTW
+pkg_check_modules(FFTW3 IMPORTED_TARGET fftw3f REQUIRED)
# global flags
if (MSVC)
@@ -55,6 +56,10 @@
add_compile_options(-Wall -fPIC -O3 -Wno-deprecated -Wno-deprecated-declarations)
endif()
+if (FFTW3_FOUND)
+ set(HAVE_FFTW3_H 1)
+endif()
+
include (CheckTypeSize)
check_type_size(int SIZEOF_INT LANGUAGE C)
@@ -399,7 +404,7 @@
target_link_options(${LIBNAME} PRIVATE -coverage)
endif(COVERAGE)
-target_link_libraries(${LIBNAME} c m)
+target_link_libraries(${LIBNAME} c m PkgConfig::FFTW3)
set_target_properties(${LIBNAME} PROPERTIES VERSION ${LIQUID_VERSION} SOVERSION 1)
set_target_properties(${LIBNAME}-static PROPERTIES OUTPUT_NAME ${LIBNAME})
--- a/cmake/config.h.cmake
+++ b/cmake/config.h.cmake
@@ -5,3 +5,4 @@
#cmakedefine HAVE_STDLIB_H
#cmakedefine HAVE_LIBC
#cmakedefine SIZEOF_INT @SIZEOF_INT@
+#cmakedefine HAVE_FFTW3_H 1
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