rust: Workaround gcc/clang differences with soft fp (0332ce85) · Commits · Wenxi XU / zephyr

GCC automatically defines a `__SOFTFP__` define on targets that are using software floating point. The clang compiler does not do this by default, so check this, and define it. Signed-off-by:

David Brown <david.brown@linaro.org>

lib/rust/zephyr-sys/wrapper.h

+9 −0

Changes for lib/rust/zephyr-sys/wrapper.h: 9 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -21,5 +21,14 @@ extern int errno;
		/* First, make sure we have all of our config settings. */
		#include <zephyr/autoconf.h>

		/* Gcc defines __SOFT_FP__ when the target uses software floating point, and the CMSIS headers get
		* confused without this.
		*/
		#if defined(CONFIG_CPU_CORTEX_M)
		#if !defined(CONFIG_FP_HARDABI) && !defined(FORCE_FP_HARDABI) && !defined(__SOFTFP__)
		#define __SOFTFP__
		#endif
		#endif

		#include <zephyr/kernel.h>
		#include <zephyr/drivers/gpio.h>

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