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 217b0f1..d6cdaad 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,11 +1,15 @@
-add_definitions("-D_BSD_SOURCE") # for htole32()
-add_definitions("-D_POSIX_C_SOURCE=2") # for getopt()
+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})
 
-set(SRC am7xxx.c serialize.c)
+set(SRC am7xxx.c serialize.c tools.c)
 
 # Build the library
 add_library(am7xxx SHARED ${SRC})
@@ -23,8 +27,15 @@ endif()
 install(TARGETS am7xxx-static
    DESTINATION "${CMAKE_INSTALL_PREFIX}/lib")
 
-target_link_libraries(am7xxx ${LIBUSB_1_LIBRARIES})
-target_link_libraries(am7xxx-static ${LIBUSB_1_LIBRARIES})
+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})
 
 # Install the header files
 install(FILES "am7xxx.h"
@@ -36,9 +47,3 @@ if(UNIX AND NOT APPLE)
   install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libam7xxx.pc"
     DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")
 endif()
-
-# Build the test app
-add_executable(picoproj picoproj.c)
-target_link_libraries(picoproj am7xxx)
-install(TARGETS picoproj
-  DESTINATION "${CMAKE_INSTALL_PREFIX}/bin")