cosmopolitan/third_party/compiler_rt/compiler_rt.mk
Justine Tunney 9f68d6eee9 Fix link order in cosmopolitan.a
It turned out that the linker was doing the wrong with the amalgamation
library concerning weak stubs. A regression test has been added and new
binaries have been uploaded to https://justine.lol/cosmopolitan/

Ideally this should be fixed by building a tool that turns multiple .a
files into a single .a file with deduplication. As a workaround for now
the cosmopolitan.a build is restructured to not include LIBC_STUBS which
meant technical debt needed to be paid off where non-stub interfaces
were moved to LIBC_INTRIN and LIBC_NEXGEN32E.

Thank @PerfectProductions in #31 for the report!
2021-01-16 12:05:41 -08:00

58 lines
2.4 KiB
Makefile

#-*-mode:makefile-gmake;indent-tabs-mode:t;tab-width:8;coding:utf-8-*-┐
#───vi: set et ft=make ts=8 tw=8 fenc=utf-8 :vi───────────────────────┘
PKGS += THIRD_PARTY_COMPILER_RT
THIRD_PARTY_COMPILER_RT_ARTIFACTS += THIRD_PARTY_COMPILER_RT_A
THIRD_PARTY_COMPILER_RT = $(THIRD_PARTY_COMPILER_RT_A_DEPS) $(THIRD_PARTY_COMPILER_RT_A)
THIRD_PARTY_COMPILER_RT_A = o/$(MODE)/third_party/compiler_rt/compiler_rt.a
THIRD_PARTY_COMPILER_RT_A_FILES := \
$(wildcard third_party/compiler_rt/*) \
$(wildcard third_party/compiler_rt/nexgen32e/*)
THIRD_PARTY_COMPILER_RT_A_HDRS = $(filter %.h,$(THIRD_PARTY_COMPILER_RT_A_FILES))
THIRD_PARTY_COMPILER_RT_A_SRCS_S = $(filter %.S,$(THIRD_PARTY_COMPILER_RT_A_FILES))
THIRD_PARTY_COMPILER_RT_A_SRCS_C = $(filter %.c,$(THIRD_PARTY_COMPILER_RT_A_FILES))
THIRD_PARTY_COMPILER_RT_A_SRCS = \
$(THIRD_PARTY_COMPILER_RT_A_SRCS_S) \
$(THIRD_PARTY_COMPILER_RT_A_SRCS_C)
THIRD_PARTY_COMPILER_RT_A_OBJS = \
$(THIRD_PARTY_COMPILER_RT_A_SRCS_S:%.S=o/$(MODE)/%.o) \
$(THIRD_PARTY_COMPILER_RT_A_SRCS_C:%.c=o/$(MODE)/%.o)
THIRD_PARTY_COMPILER_RT_A_CHECKS = \
$(THIRD_PARTY_COMPILER_RT_A).pkg \
$(THIRD_PARTY_COMPILER_RT_A_HDRS:%=o/$(MODE)/%.ok)
THIRD_PARTY_COMPILER_RT_A_DIRECTDEPS = \
LIBC_INTRIN \
LIBC_NEXGEN32E \
LIBC_STUBS \
LIBC_TINYMATH
THIRD_PARTY_COMPILER_RT_A_DEPS := \
$(call uniq,$(foreach x,$(THIRD_PARTY_COMPILER_RT_A_DIRECTDEPS),$($(x))))
$(THIRD_PARTY_COMPILER_RT_A): \
third_party/compiler_rt/ \
$(THIRD_PARTY_COMPILER_RT_A).pkg \
$(THIRD_PARTY_COMPILER_RT_A_OBJS)
$(THIRD_PARTY_COMPILER_RT_A).pkg: \
$(THIRD_PARTY_COMPILER_RT_A_OBJS) \
$(foreach x,$(THIRD_PARTY_COMPILER_RT_A_DIRECTDEPS),$($(x)_A).pkg)
$(THIRD_PARTY_COMPILER_RT_A_OBJS): \
DEFAULT_CFLAGS += \
$(OLD_CODE) \
-DCRT_HAS_128BIT
THIRD_PARTY_COMPILER_RT_LIBS = $(foreach x,$(THIRD_PARTY_COMPILER_RT_ARTIFACTS),$($(x)))
THIRD_PARTY_COMPILER_RT_SRCS = $(foreach x,$(THIRD_PARTY_COMPILER_RT_ARTIFACTS),$($(x)_SRCS))
THIRD_PARTY_COMPILER_RT_HDRS = $(foreach x,$(THIRD_PARTY_COMPILER_RT_ARTIFACTS),$($(x)_HDRS))
THIRD_PARTY_COMPILER_RT_CHECKS = $(foreach x,$(THIRD_PARTY_COMPILER_RT_ARTIFACTS),$($(x)_CHECKS))
THIRD_PARTY_COMPILER_RT_OBJS = $(foreach x,$(THIRD_PARTY_COMPILER_RT_ARTIFACTS),$($(x)_OBJS))
.PHONY: o/$(MODE)/third_party/compiler_rt
o/$(MODE)/third_party/compiler_rt: $(THIRD_PARTY_COMPILER_RT_CHECKS)