Fixing Mac OSX arm build options.

[kiibohd-controller.git] / Bootloader / CMakeLists.txt

diff --git a/Bootloader/CMakeLists.txt b/Bootloader/CMakeLists.txt
index b8cb8a013195821a6887c986480c755d68544c11..00a9c168e9310a465dbe1c8d4ed2026d8ee61157 100644 (file)
--- a/Bootloader/CMakeLists.txt
+++ b/Bootloader/CMakeLists.txt
@@ -112,6 +112,19 @@ endif()
 
 
 
+###
+# Disable -Wl,-search_paths_first for OSX (not supported by arm-none-eabi-gcc)
+#
+
+if ( APPLE )
+       string ( REPLACE "-Wl,-search_paths_first" "" CMAKE_C_LINK_FLAGS ${CMAKE_C_LINK_FLAGS} )
+       string ( REPLACE "-Wl,-search_paths_first" "" CMAKE_CXX_LINK_FLAGS ${CMAKE_CXX_LINK_FLAGS} )
+
+       message ( AUTHOR_WARNING "Bootloader binary may not fit on device (must be less than 4096 bytes). Macports arm-none-eabi-gcc 4.7.3 doesn't seem to work properly with -flto. However, even disabling it doesn't shrink the binary enough... 4.9.1 is known to work on Arch Linux." )
+endif ()
+
+
+
 ###
 # Build Targets
 #