libc: newlib: Enable extended linux errno defines

galak · galak · commit 16ff8ca2c2aa · 2018-07-16T11:33:07.000-05:00
We utilize defines like -ESHUTDOWN in the network stack.  To support
this errno value with newlib we need to enable
__LINUX_ERRNO_EXTENSIONS__.

Signed-off-by: Kumar Gala &lt;kumar.gala@linaro.org&gt;
diff --git a/lib/libc/newlib/CMakeLists.txt b/lib/libc/newlib/CMakeLists.txt
@@ -15,6 +15,10 @@ if(LIBC_LIBRARY_DIR)
   set(LIBC_LIBRARY_DIR_FLAG -L${LIBC_LIBRARY_DIR})
 endif()
 
+# define __LINUX_ERRNO_EXTENSIONS__ so we get errno defines like -ESHUTDOWN
+# used by the network stack
+zephyr_compile_definitions(__LINUX_ERRNO_EXTENSIONS__)
+
 zephyr_link_libraries(
   m
   c

Original file line number	Diff line number	Diff line change
`@@ -15,6 +15,10 @@ if(LIBC_LIBRARY_DIR)`
`15`	`15`	`set(LIBC_LIBRARY_DIR_FLAG -L${LIBC_LIBRARY_DIR})`
`16`	`16`	`endif()`
`17`	`17`
	`18`	`+# define __LINUX_ERRNO_EXTENSIONS__ so we get errno defines like -ESHUTDOWN`
	`19`	`+# used by the network stack`
	`20`	`+zephyr_compile_definitions(__LINUX_ERRNO_EXTENSIONS__)`
	`21`	`+`
`18`	`22`	`zephyr_link_libraries(`
`19`	`23`	`m`
`20`	`24`	`c`