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cmake: check linkage to libusb too, instead of libusb.h presence only. 

avoids false positives when using a cross-toolchain file
main
Ozkan Sezer 2023-08-26 15:55:50 +03:00 committed by Anonymous Maarten
parent 041dbd6b5f
commit f617918e0a
1 changed files with 8 additions and 1 deletions
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9
cmake/sdlchecks.cmake
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@ -1029,7 +1029,14 @@ macro(CheckHIDAPI)
if(PC_LIBUSB_FOUND) if(PC_LIBUSB_FOUND)
cmake_push_check_state() cmake_push_check_state()
list(APPEND CMAKE_REQUIRED_INCLUDES ${PC_LIBUSB_INCLUDE_DIRS}) list(APPEND CMAKE_REQUIRED_INCLUDES ${PC_LIBUSB_INCLUDE_DIRS})
check_include_file(libusb.h HAVE_LIBUSB_H) list(APPEND CMAKE_REQUIRED_LIBRARIES PkgConfig::PC_LIBUSB)
check_c_source_compiles("
#include <stddef.h>
#include <libusb.h>
int main(int argc, char **argv) {
libusb_close(NULL);
return 0;
}" HAVE_LIBUSB_H)
cmake_pop_check_state() cmake_pop_check_state()
if(HAVE_LIBUSB_H) if(HAVE_LIBUSB_H)
set(HAVE_LIBUSB TRUE) set(HAVE_LIBUSB TRUE)