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a72c0e0583
In order for the linker to pick the correct soft-float libraries when
building for a target without an FPU the -msoft-float flag needs to be
present.
This is already the case in the pkg-config file where ABI_FLAGS are
included in Ldflags:
Ldflags: ${ABI_FLAGS} -B${libdir} -qrtems -Wl,--gc-sections
But this is not present in the custom make includes:
LDFLAGS = -B$(exec_prefix)/$(RTEMS_BSP)/lib -qrtems -Wl,--gc-sections
The RTEMS template make rule for linking includes all of CFLAGS:
define bsp-link-c
$(LINK.c) $(CPU_CFLAGS) $(AM_CFLAGS) $(AM_LDFLAGS) \
-o $(basename $@)$(EXEEXT) $(LINK_OBJS) $(LINK_LIBS)
endef
The standard (GNU) built-in make rule for linking does not include
CFLAGS when linking:
$(CC) $(LDFLAGS) $* $(LOADLIBES) $(LDLIBS) -o $@
Add ABI_FLAGS to LDFLAGS in the custom make includes such that building
soft-float applications works with the default built-in make rules as
well.
16 lines
520 B
YAML
16 lines
520 B
YAML
SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
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build-type: config-file
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content: |
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include $$(RTEMS_ROOT)/make/custom/default.cfg
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CPU_DEFINES = -isystem$$(exec_prefix)/$$(RTEMS_BSP)/lib/include
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CPU_CFLAGS = ${ABI_FLAGS}
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CFLAGS_OPTIMIZE_V = ${OPTIMIZATION_FLAGS}
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LDFLAGS = ${ABI_FLAGS} -B$$(exec_prefix)/$$(RTEMS_BSP)/lib ${PKGCONFIG_LDFLAGS}
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copyrights:
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- Copyright (C) 2020 embedded brains GmbH & Co. KG
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enabled-by: true
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install-path: ${PREFIX}/make/custom
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links: []
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target: ${BSP_NAME}.cfg
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type: build
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