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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
kiss_fft.c)
add_library(kissfft::kissfft ALIAS kissfft)
target_include_directories(kissfft PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:.>)
set_target_properties(kissfft PROPERTIES
DEFINE_SYMBOL KISS_FFT_BUILD)
if(BUILD_SHARED_LIBS)
target_compile_definitions(kissfft PUBLIC KISS_FFT_SHARED)
set_target_properties(kissfft PROPERTIES
C_VISIBILITY_PRESET hidden)
endif()
option(KISSFFT_INSTALL "Enable kissfft install" ON)
if (KISSFFT_INSTALL)
include(GNUInstallDirs)
install(TARGETS kissfft EXPORT kissfft
ARCHIVE DESTINATION "${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
View File

@ -14,6 +14,21 @@
#include <math.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
extern "C" {
#endif
@ -99,7 +114,7 @@ typedef struct kiss_fft_state* kiss_fft_cfg;
* 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)
@ -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
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.
* */
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
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
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)
*/
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 */
#define kiss_fftr_next_fast_size_real(n) \