From c19a71c11c3a48f1ccfa9b662d167808be6bfc45 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andrius=20=C5=A0tikonas?= <andrius@stikonas.eu>
Date: Sun, 17 Jan 2021 16:20:40 +0000
Subject: [PATCH] Build grep-2.4.

---
 rootfs.sh           |  3 +++
 sysa/after.kaem.run | 12 ++++++++++--
 sysa/grep-2.4.kaem  | 13 +++++++++++++
 sysa/grep-2.4.mk    | 23 +++++++++++++++++++++++
 4 files changed, 49 insertions(+), 2 deletions(-)
 create mode 100644 sysa/grep-2.4.kaem
 create mode 100644 sysa/grep-2.4.mk

diff --git a/rootfs.sh b/rootfs.sh
index 670aef6f..cb49504a 100755
--- a/rootfs.sh
+++ b/rootfs.sh
@@ -133,6 +133,9 @@ get_file https://ftp.gnu.org/gnu/make/make-3.80.tar.gz
 # bzip2 1.0.8
 get_file ftp://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz
 
+# grep 2.4
+get_file https://ftp.gnu.org/gnu/grep/grep-2.4.tar.gz
+
 # bash 2.05b
 get_file https://ftp.gnu.org/pub/gnu/bash/bash-2.05b.tar.gz
 
diff --git a/sysa/after.kaem.run b/sysa/after.kaem.run
index 9c2ee433..92811b35 100755
--- a/sysa/after.kaem.run
+++ b/sysa/after.kaem.run
@@ -97,15 +97,23 @@ cd bzip2-1.0.8
 kaem --file ../bzip2-1.0.8.kaem
 cd ..
 
-# Part 15: bash
+# Part 15: grep
+/after/bin/gunzip grep-2.4.tar.gz
+/after/bin/tar xf grep-2.4.tar
+cd grep-2.4
+kaem --file ../grep-2.4.kaem
+cd ..
+
+# Part 16: bash
 /after/bin/gunzip bash-2.05b.tar.gz
 /after/bin/tar xf bash-2.05b.tar
 cd bash-2.05b
 kaem --file ../bash-2.05b.kaem
 cd ..
 
-# Part 16: m4
+# Part 17: m4
 /after/bin/gunzip m4-1.4.tar.gz
 /after/bin/tar xf m4-1.4.tar
 cd m4-1.4
 kaem --file ../m4-1.4.kaem
+cd ..
diff --git a/sysa/grep-2.4.kaem b/sysa/grep-2.4.kaem
new file mode 100644
index 00000000..d6308235
--- /dev/null
+++ b/sysa/grep-2.4.kaem
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -ex
+
+cp ../grep-2.4.mk Makefile
+/after/bin/make
+
+# Install
+/after/bin/cp grep /after/bin/grep
+/after/bin/chmod 755 /after/bin/grep
+
+# Test
+/after/bin/grep --version
diff --git a/sysa/grep-2.4.mk b/sysa/grep-2.4.mk
new file mode 100644
index 00000000..0cd22ef4
--- /dev/null
+++ b/sysa/grep-2.4.mk
@@ -0,0 +1,23 @@
+PACKAGE=grep
+VERSION=2.4
+
+CC      = tcc
+LD      = tcc
+AR      = tcc -ar
+
+CFLAGS  = -DPACKAGE=\"$(PACKAGE)\" \
+          -DVERSION=\"$(VERSION)\" \
+          -DHAVE_DIRENT_H=1 \
+          -DHAVE_UNISTD_H=1
+
+LDFLAGS = 
+
+.PHONY: all
+
+GREP_SRC = grep dfa kwset obstack regex stpcpy savedir getopt getopt1 search grepmat
+GREP_OBJECTS = $(addprefix src/, $(addsuffix .o, $(GREP_SRC)))
+
+all: grep
+
+grep: $(GREP_OBJECTS)
+	$(CC) $(CFLAGS) $^ $(LDFLAGS) -o $@