am7xxx-play: add a comment to explain why a run-time warning can be ignored

[libam7xxx.git] / src / CMakeLists.txt

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e09a282..d6cdaad 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,10 +1,15 @@
-add_definitions("-D_BSD_SOURCE") # for htole32()
+add_definitions("-D_DEFAULT_SOURCE") # for htole32()
+add_definitions("-D_POSIX_C_SOURCE=200112L") # for nanosleep() and lroundf()
+
+# Express a preference for C99 format strings when using MinGW, see:
+# https://sourceforge.net/p/mingw-w64/wiki2/gnu%20printf/
+add_definitions("-D__USE_MINGW_ANSI_STDIO=1")

 
 # Find packages needed to build library
 find_package(libusb-1.0 REQUIRED)
 include_directories(${LIBUSB_1_INCLUDE_DIRS})
 
 
 # Find packages needed to build library
 find_package(libusb-1.0 REQUIRED)
 include_directories(${LIBUSB_1_INCLUDE_DIRS})
 

-set(SRC am7xxx.c serialize.c)
+set(SRC am7xxx.c serialize.c tools.c)

 
 # Build the library
 add_library(am7xxx SHARED ${SRC})
 
 # Build the library
 add_library(am7xxx SHARED ${SRC})


@@ -22,7 +27,12 @@ endif()
 install(TARGETS am7xxx-static
    DESTINATION "${CMAKE_INSTALL_PREFIX}/lib")
 
 install(TARGETS am7xxx-static
    DESTINATION "${CMAKE_INSTALL_PREFIX}/lib")
 

-find_library(MATH_LIB m)
+if(NOT WIN32)
+  find_library(MATH_LIB m)
+else()
+  # not needed on windows
+  set(MATH_LIB "")
+endif()

 
 target_link_libraries(am7xxx ${MATH_LIB} ${LIBUSB_1_LIBRARIES})
 target_link_libraries(am7xxx-static ${MATH_LIB} ${LIBUSB_1_LIBRARIES})
 
 target_link_libraries(am7xxx ${MATH_LIB} ${LIBUSB_1_LIBRARIES})
 target_link_libraries(am7xxx-static ${MATH_LIB} ${LIBUSB_1_LIBRARIES})