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Application.mk: Link the compiler runtime for ELF modules

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An alternative is to have symbols like __udivdi3 in
the symbol table explicitly when loading the module.
But I feel it's too cumbersome to maintain.
This commit is contained in:
YAMAMOTO Takashi 2022-01-27 18:25:09 +09:00 committed by Xiang Xiao
parent 836cd05526
commit 09d778558c
1 changed files with 12 additions and 0 deletions
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12
Application.mk
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@ -69,6 +69,18 @@ ifneq ($(CONFIG_BUILD_KERNEL),y)
endif
endif
# When building a module, link with the compiler runtime.
# This should be linked after libapps. Consider that mbedtls in libapps
# uses __udivdi3.
ifeq ($(BUILD_MODULE),y)
# Revisit: This only works for gcc and clang.
# Do other compilers have similar?
COMPILER_RT_LIB = $(shell $(CC) $(ARCHCPUFLAGS) --print-libgcc-file-name)
ifneq ($(COMPILER_RT_LIB),)
LDLIBS += $(COMPILER_RT_LIB)
endif
endif
SUFFIX = $(subst $(DELIM),.,$(CWD))
PROGNAME := $(shell echo $(PROGNAME))