mirror of https://gerrit.osmocom.org/simtrace2
firmware: fix builds with gcc stack smashing protection enabled
On Ubuntu 20.04 when builiding dpkg packages, even when cross-compiling firmware, gcc stack smashing protection is enabled. Let's provide what is minimally required in order to sucessfully complete builds on such platforms. Change-Id: Ic2f68f16b0730e7b5db17c30effc29a2909d1997 Closes: OS#4687
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@ -100,7 +100,7 @@ C_LIBUSB = USBDescriptors.c USBRequests.c USBD.c USBDCallbacks.c USBDDriver.
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C_LIBUSB_RT = dfu.c dfu_runtime.c
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C_LIBUSB_DFU = dfu.c dfu_desc.c dfu_driver.c
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C_LIBCOMMON = string.c stdio.c fputs.c usb_buf.c ringbuffer.c pseudo_talloc.c host_communication.c \
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main_common.c
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main_common.c stack_check.c
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C_BOARD = $(notdir $(wildcard libboard/common/source/*.c))
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C_BOARD += $(notdir $(wildcard libboard/$(BOARD)/source/*.c))
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@ -0,0 +1,14 @@
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#include <stdint.h>
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#include <osmocom/core/panic.h>
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/* This is what's minimally required to fix builds on Ubuntu 20.04,
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* where stack smashing protection is enabled by default when using dpkg
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* - even when cross-compiling: https://osmocom.org/issues/4687
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*/
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uintptr_t __stack_chk_guard = 0xdeadbeef;
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void __stack_chk_fail(void)
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{
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osmo_panic("Stack smashing detected!\r\n");
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}
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