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Add cmake install + MSVC dll support

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This commit is contained in:
Anonymous Maarten 2020-10-29 21:36:08 +01:00
parent 0a70dfd0cf
commit 5c708d85db
2 changed files with 42 additions and 5 deletions
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22
CMakeLists.txt
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@ -3,7 +3,29 @@ project(kissfft)
add_library(kissfft add_library(kissfft
kiss_fft.c) kiss_fft.c)
add_library(kissfft::kissfft ALIAS kissfft)
target_include_directories(kissfft PUBLIC target_include_directories(kissfft PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}> $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:.>) $<INSTALL_INTERFACE:.>)
set_target_properties(kissfft PROPERTIES
DEFINE_SYMBOL KISS_FFT_BUILD)
if(BUILD_SHARED_LIBS)
target_compile_definitions(kissfft PUBLIC KISS_FFT_SHARED)
set_target_properties(kissfft PROPERTIES
C_VISIBILITY_PRESET hidden)
endif()
option(KISSFFT_INSTALL "Enable kissfft install" ON)
if (KISSFFT_INSTALL)
include(GNUInstallDirs)
install(TARGETS kissfft EXPORT kissfft
ARCHIVE DESTINATION "${CMAKE_INSTALL_BINDIR}"
LIBRARY DESTINATION "${CMAKE_INSTALL_BINDIR}"
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
install(FILES "kiss_fft.h" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
install(EXPORT kissfft DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
NAMESPACE "kissfft::"
FILE "${PROJECT_NAME}-config.cmake")
endif()

25
kiss_fft.h
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@ -14,6 +14,21 @@
#include <math.h> #include <math.h>
#include <string.h> #include <string.h>
// Define KISS_FFT_SHARED macro to properly export symbols
#ifdef KISS_FFT_SHARED
# ifdef _WIN32
# ifdef KISS_FFT_BUILD
# define KISS_FFT_API __declspec(dllexport)
# else
# define KISS_FFT_API __declspec(dllimport)
# endif
# else
# define KISS_FFT_API __attribute__ ((visibility ("default")))
# endif
#else
# define KISS_FFT_API
#endif
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
@ -99,7 +114,7 @@ typedef struct kiss_fft_state* kiss_fft_cfg;
* buffer size in *lenmem. * buffer size in *lenmem.
* */ * */
kiss_fft_cfg kiss_fft_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem); kiss_fft_cfg KISS_FFT_API kiss_fft_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem);
/* /*
* kiss_fft(cfg,in_out_buf) * kiss_fft(cfg,in_out_buf)
@ -111,12 +126,12 @@ kiss_fft_cfg kiss_fft_alloc(int nfft,int inverse_fft,void * mem,size_t * lenmem)
* Note that each element is complex and can be accessed like * Note that each element is complex and can be accessed like
f[k].r and f[k].i f[k].r and f[k].i
* */ * */
void kiss_fft(kiss_fft_cfg cfg,const kiss_fft_cpx *fin,kiss_fft_cpx *fout); void KISS_FFT_API kiss_fft(kiss_fft_cfg cfg,const kiss_fft_cpx *fin,kiss_fft_cpx *fout);
/* /*
A more generic version of the above function. It reads its input from every Nth sample. A more generic version of the above function. It reads its input from every Nth sample.
* */ * */
void kiss_fft_stride(kiss_fft_cfg cfg,const kiss_fft_cpx *fin,kiss_fft_cpx *fout,int fin_stride); void KISS_FFT_API kiss_fft_stride(kiss_fft_cfg cfg,const kiss_fft_cpx *fin,kiss_fft_cpx *fout,int fin_stride);
/* If kiss_fft_alloc allocated a buffer, it is one contiguous /* If kiss_fft_alloc allocated a buffer, it is one contiguous
buffer and can be simply free()d when no longer needed*/ buffer and can be simply free()d when no longer needed*/
@ -126,13 +141,13 @@ void kiss_fft_stride(kiss_fft_cfg cfg,const kiss_fft_cpx *fin,kiss_fft_cpx *fout
Cleans up some memory that gets managed internally. Not necessary to call, but it might clean up Cleans up some memory that gets managed internally. Not necessary to call, but it might clean up
your compiler output to call this before you exit. your compiler output to call this before you exit.
*/ */
void kiss_fft_cleanup(void); void KISS_FFT_API kiss_fft_cleanup(void);
/* /*
* Returns the smallest integer k, such that k>=n and k has only "fast" factors (2,3,5) * Returns the smallest integer k, such that k>=n and k has only "fast" factors (2,3,5)
*/ */
int kiss_fft_next_fast_size(int n); int KISS_FFT_API kiss_fft_next_fast_size(int n);
/* for real ffts, we need an even size */ /* for real ffts, we need an even size */
#define kiss_fftr_next_fast_size_real(n) \ #define kiss_fftr_next_fast_size_real(n) \