Update m4 to 1.4.7

README.md

@@ -254,13 +254,7 @@ Bash ships with a bison pre-generated file here which we delete. Unfortunately,
 we have not bootstrapped bison but fortunately for us, heirloom yacc is able to
 cope here.
 
-#### Part 19: m4 1.4.4
+#### Part 19: flex 2.5.11
-
-`m4` is the first piece of software we need in the autotools suite and flex
-2.6.4.  It allows macros to be defined and files to be generated from those
-macros.
-
-#### Part 20: flex 2.5.11
 
 `flex` is a tool for generating lexers or scanners: programs that recognize
 lexical patters.
@@ -271,7 +265,7 @@ that it can be processed by lex for the Heirloom project (the required
 modifications are mostly syntactical, plus a few workarounds to avoid some flex
 advanced features).
 
-#### Part 21: musl 1.1.24
+#### Part 20: musl 1.1.24
 
 `musl` is a C standard library that is lightweight, fast, simple, free, and
 strives to be correct in the sense of standards-conformance and safety. `musl`
@@ -283,13 +277,19 @@ complex programs.
 patches. In particular, we replace all weak symbols with strong symbols and will
 patch `tcc` in the next step to ignore duplicate symbols.
 
-#### Part 22: tcc 0.9.27 (musl)
+#### Part 21: tcc 0.9.27 (musl)
 
 We recompile `tcc` against musl. This is a two stage process. First we build
 tcc-0.9.27 that itself links to Mes C library but produces binaries linked to
 musl. Then we recompile newly produced tcc with itself. Interestingly,
 tcc-0.9.27 linked against musl is self hosting.
 
+#### Part 22: m4 1.4.7
+
+`m4` is the first piece of software we need in the autotools suite, flex
+2.6.4 and bison.  It allows macros to be defined and files to be generated from those
+macros.
+
 #### Part 23: flex 2.6.14
 
 We recompile unpatched GNU `flex` using older flex 2.5.11. This is again a two

rootfs.sh

@@ -124,15 +124,15 @@ get_file http://downloads.sourceforge.net/project/heirloom/heirloom-devtools/070
 # bash 2.05b
 get_file https://ftp.gnu.org/pub/gnu/bash/bash-2.05b.tar.gz
 
-# m4 1.4.4
-get_file https://ftp.gnu.org/gnu/m4/m4-1.4.4.tar.gz
-
 # flex 2.5.11
 get_file http://download.nust.na/pub2/openpkg1/sources/DST/flex/flex-2.5.11.tar.gz
 
 # musl 1.1.24
 get_file https://musl.libc.org/releases/musl-1.1.24.tar.gz
 
+# m4 1.4.7
+get_file https://ftp.gnu.org/gnu/m4/m4-1.4.7.tar.gz
+
 # flex 2.6.4
 get_file https://github.com/westes/flex/releases/download/v2.6.4/flex-2.6.4.tar.gz
 

sysa/helpers.sh

@@ -103,13 +103,13 @@ default_src_configure() {
 
 # Default function for compiling source. It simply runs make without any parameters.
 default_src_compile() {
-    make
+    make -f Makefile
 }
 
 # Default installing function. PREFIX should be set by run.sh script.
 # Note that upstream makefiles might ignore PREFIX and have to be configured in configure stage.
 default_src_install() {
-    make install PREFIX="${PREFIX}"
+    make -f Makefile install PREFIX="${PREFIX}"
 }
 
 # Check if bash function exists

sysa/m4-1.4.4/mk/main.mk

@@ -1,33 +0,0 @@
-PRODUCT = m4
-VERSION = 1.4
-
-CC      = tcc
-LD      = tcc
-AR      = tcc -ar
-
-CFLAGS  = -I lib \
-          -DPRODUCT=\"$(PRODUCT)\" \
-          -DVERSION=\"$(VERSION)\" \
-          -DHAVE_SIGNAL_H=1 \
-          -DPACKAGE_STRING=\"GNU\ M4\ 1.4.4\"
-
-LDFLAGS = -L . -lm4
-
-.PHONY: all
-
-LIB_SRC = regex getopt getopt1 error obstack xmalloc xstrdup
-LIB_OBJECTS = $(addprefix lib/, $(addsuffix .o, $(LIB_SRC)))
-
-M4_SRC = m4 builtin debug eval format freeze input macro output path symtab
-M4_OBJ = $(addprefix src/, $(addsuffix .o, $(M4_SRC)))
-
-all: m4
-
-m4: libm4.a $(M4_OBJ)
-	$(CC) $(CFLAGS) $^ $(LDFLAGS) -o $@
-
-libm4.a: $(LIB_OBJECTS)
-	$(AR) cr $@ $^
-
-install: all
-	install m4 $(PREFIX)/bin

sysa/m4-1.4.7/mk/main.mk

@@ -0,0 +1,47 @@
+# SPDX-FileCopyrightText: 2021 Andrius Štikonas <andrius@stikonas.eu>
+
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+CC      = tcc
+AR      = tcc -ar
+
+CFLAGS  = -I lib \
+          -DVERSION=\"1.4.7\" \
+          -DPACKAGE_BUGREPORT=\"bug-m4@gnu.org\" \
+          -DPACKAGE_STRING=\"GNU\ M4\ 1.4.7\" \
+          -DPACKAGE=\"m4\" \
+          -DPACKAGE_NAME=\"GNU\ M4\" \
+          -DHAVE_STDINT_H=1 \
+          -DHAVE___FPENDING=1 \
+          -DHAVE_DECL___FPENDING=1 \
+          -D_GNU_SOURCE=1 \
+          -D_GL_UNUSED= \
+          -D__getopt_argv_const=const \
+          -DSYSCMD_SHELL=\"/bin/sh\"
+
+LDFLAGS = -L . -lm4
+
+.PHONY: all
+
+LIB_SRC = cloexec close-stream dup-safer error exitfail fd-safer fopen-safer getopt getopt1 mkstemp-safer regex obstack tmpfile-safer verror xalloc-die xasprintf xmalloc xvasprintf
+LIB_OBJECTS = $(addprefix lib/, $(addsuffix .o, $(LIB_SRC)))
+
+M4_SRC = m4 builtin debug eval format freeze input macro output path symtab
+M4_OBJ = $(addprefix src/, $(addsuffix .o, $(M4_SRC)))
+
+all: src/m4
+
+src/m4: libm4.a $(M4_OBJ)
+	$(CC) $(CFLAGS) $^ $(LDFLAGS) -o $@
+
+libm4.a: $(LIB_OBJECTS)
+	$(AR) cr $@ $^
+
+%.o : %.c lib/config.h
+	$(CC) -c -o $@ $< $(CFLAGS)
+
+lib/config.h:
+	touch lib/config.h
+
+install: all
+	install src/m4 $(PREFIX)/bin

sysa/run.sh

@@ -10,17 +10,17 @@ set -e
 export PREFIX=/after
 
 # Part 19
-build m4-1.4.4
-
-# Part 20
 build flex-2.5.11
 
-# Part 21
+# Part 20
 build musl-1.1.24
 
-# Part 22
+# Part 21
 build tcc-0.9.27 tcc-musl.sh
 
+# Part 22
+build m4-1.4.7
+
 # Part 23
 build flex-2.6.4