48 lines
1.6 KiB
Makefile
48 lines
1.6 KiB
Makefile
|
|
||
|
|
|
||
|
|
TARGET_DIR=$(PWD)/.build
|
||
|
|
ROM_ELF_FILE ?= /tmp/eagle.pro.rom.out
|
||
|
|
|
||
|
|
all: newlib check_common_syms
|
||
|
|
|
||
|
|
newlib_xtensa-2.2.0:
|
||
|
|
git submodule update --init
|
||
|
|
|
||
|
|
newlib: newlib_xtensa-2.2.0
|
||
|
|
|
||
|
|
newlib:
|
||
|
|
cd newlib_xtensa-2.2.0 && \
|
||
|
|
./configure \
|
||
|
|
--with-newlib \
|
||
|
|
--enable-multilib \
|
||
|
|
--disable-newlib-io-c99-formats \
|
||
|
|
--disable-newlib-supplied-syscalls \
|
||
|
|
--enable-newlib-nano-formatted-io \
|
||
|
|
--enable-newlib-reent-small \
|
||
|
|
--enable-target-optspace \
|
||
|
|
--program-transform-name="s&^&xtensa-esp108-elf-&" \
|
||
|
|
--disable-option-checking \
|
||
|
|
--with-target-subdir=xtensa-esp108-elf \
|
||
|
|
--target=xtensa-esp108-elf \
|
||
|
|
--prefix=$(TARGET_DIR) \
|
||
|
|
&& CROSS_CFLAGS="-DSIGNAL_PROVIDED -DABORT_PROVIDED -DMALLOC_PROVIDED" make all install || true
|
||
|
|
cp -r $(TARGET_DIR)/xtensa-esp108-elf/{include,lib} ./
|
||
|
|
cp lib/libc.a lib/libc_rom.a
|
||
|
|
xtensa-esp108-elf-ar d lib/libc_rom.a lib_a-nano-vfprintf_float.o
|
||
|
|
xtensa-esp108-elf-ar d lib/libc_rom.a lib_a-nano-vfscanf_float.o
|
||
|
|
while read obj; do xtensa-esp108-elf-ar d lib/libc.a $$obj; done <libc_discard.list
|
||
|
|
|
||
|
|
|
||
|
|
clean:
|
||
|
|
rm -rf newlib_xtensa-2.2.0 .build include lib
|
||
|
|
|
||
|
|
check_common_syms:
|
||
|
|
@# get symbols in libc.a, except for _printf_float and _scanf_float
|
||
|
|
@xtensa-esp108-elf-nm lib/libc.a | grep -v -E "\W+U\W+" | awk '{print $$3}' | grep -v -E '^$$' | grep -v '_printf_float' | grep -v '_scanf_float' | sort >libc.syms
|
||
|
|
@# get symbols in ROM
|
||
|
|
@xtensa-esp108-elf-nm $(ROM_ELF_FILE) | grep -v -E '\W+U\W+' | awk '{print $$3}' | sort >rom.syms
|
||
|
|
@# check that there are no common symbols
|
||
|
|
@test $$(comm -12 rom.syms libc.syms | tee common.syms | wc -l) -eq 0
|
||
|
|
|
||
|
|
.PHONY: all clean newlib
|