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esp32: Use newlib-esp32

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When we are using newlib as libm, we can consider newlib-esp32 for esp32
hardware. An it contains some optimization for esp32 hardware.
Besides, two small issues has been fixed.
1. add the tar ball to .gitignore
2. Fix the some build warnings
This commit is contained in:
Roy Feng 2023-09-14 16:15:54 +08:00 committed by Xiang Xiao
parent 114b8323d6
commit e90d58c3da
2 changed files with 20 additions and 8 deletions
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2
libs/libm/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
*.tar.gz

26
libs/libm/newlib/Make.defs
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@ -18,21 +18,31 @@
#
############################################################################
NEWLIB_VERSION=4.3.0.20230120
ifeq ($(CONFIG_ARCH_CHIP_ESP32),y)
NEWLIB_VERSION=esp-4.1.0_20230425
NEWLIB_BASENAME=newlib-esp32
NEWLIB_URL_BASE=https://github.com/espressif/newlib-esp32/archive
NEWLIB_TARBALL=$(NEWLIB_VERSION).tar.gz
else
NEWLIB_VERSION=4.3.0.20230120
NEWLIB_BASENAME=newlib
NEWLIB_URL_BASE=ftp://sourceware.org/pub/newlib
NEWLIB_TARBALL=$(NEWLIB_BASENAME)-$(NEWLIB_VERSION).tar.gz
endif
newlib-$(NEWLIB_VERSION).tar.gz:
$(call DOWNLOAD,ftp://sourceware.org/pub/newlib,newlib-$(NEWLIB_VERSION).tar.gz)
$(NEWLIB_BASENAME)-$(NEWLIB_VERSION).tar.gz:
$(call DOWNLOAD,$(NEWLIB_URL_BASE),$(NEWLIB_TARBALL),$(NEWLIB_BASENAME)-$(NEWLIB_VERSION).tar.gz)
newlib/newlib: newlib-$(NEWLIB_VERSION).tar.gz
$(Q) tar -xf newlib-$(NEWLIB_VERSION).tar.gz
$(Q) mv newlib-$(NEWLIB_VERSION) newlib/newlib
newlib/newlib: $(NEWLIB_BASENAME)-$(NEWLIB_VERSION).tar.gz
$(Q) tar -xf $(NEWLIB_BASENAME)-$(NEWLIB_VERSION).tar.gz
$(Q) mv $(NEWLIB_BASENAME)-$(NEWLIB_VERSION) newlib/newlib
$(Q) patch -p0 < newlib/0001-newlib-libm-fix-__RCSID-build-error.patch
$(Q) patch -p0 < newlib/0002-newlib-libm-remove-include-reent.h.patch
$(Q) touch $@
ifeq ($(wildcard newlib/newlib/.git),)
distclean::
$(call DELFILE, newlib-$(NEWLIB_VERSION).tar.gz)
$(call DELFILE, $(NEWLIB_BASENAME)-$(NEWLIB_VERSION).tar.gz)
$(call DELDIR, newlib/newlib)
context:: newlib/newlib
@ -85,6 +95,6 @@ endif
CSRCS := $(shell echo $(notdir $(CSRCS) | tr " " "\n" | sort | uniq))
CFLAGS += -Wno-undef -Wno-unused-but-set-variable
CFLAGS += -Wno-undef -Wno-unused-but-set-variable -Wno-unused-const-variable -Wno-maybe-uninitialized
CFLAGS += ${INCDIR_PREFIX}newlib/newlib/newlib/libm/common
CFLAGS += -D__int32_t=int32_t -D__uint32_t=uint32_t -D_REENT=0 -D_REENT_THREAD_LOCAL=1