Makefile and sizeof tool

[musl-tables] / Makefile

diff --git a/Makefile b/Makefile
new file mode 100644 (file)
index 0000000..d108ee2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,33 @@
+MUSL=../musl
+
+all: tables sizeof
+
+clean:
+       rm -f sizeof*.o sizeof-glibc sizeof-musl sizeof.diff tab_*.html
+
+tables: tags syms
+       MUSL=$(MUSL) ./tab_c99.sh
+       MUSL=$(MUSL) ./tab_posix.sh
+
+tags:
+       MUSL=$(MUSL) ./maketags.sh
+
+syms:
+       MUSL=$(MUSL) ./makesyms.sh
+
+sizeof: sizeof-glibc sizeof-musl
+       ./sizeof-glibc >data/glibc.sizeof
+       ./sizeof-musl >data/musl.sizeof
+       diff -u data/glibc.sizeof data/musl.sizeof >sizeof.diff || true
+
+LIBGCC=`gcc -print-file-name=libgcc.a |sed 's,/libgcc.a$$,,'`
+# when compiling with pcc
+#PCC=`pcc -v foobar.o 2>&1 |sed -n 's,.* \([^ ]*\)/lib/crtbegin.o.*,\1,p'`
+
+sizeof-glibc: sizeof.c
+       gcc -o $@ $<
+sizeof-musl: sizeof.c
+       gcc -std=gnu99 -nostdinc -fno-stack-protector -isystem $(MUSL)/include -isystem $(LIBGCC) -c -o $@.o $<
+       ld -o $@ $@.o $(MUSL)/lib/crti.o $(MUSL)/lib/crt1.o $(MUSL)/lib/crtn.o -L$(MUSL)/lib -lc -L$(LIBGCC) -lgcc -nostdlib
+#      pcc -nostdinc -isystem $(MUSL)/include -isystem $(PCC)/include -c -o $@.o $<
+#      ld -X -d -e _start -Bstatic -o $@ $@.o $(MUSL)/lib/crti.o $(MUSL)/lib/crt1.o $(PCC)/lib/crtbegin.o $(PCC)/lib/crtend.o -L$(MUSL)/lib -lc -L$(PCC)/lib -lpcc -nostdlib