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#! /bin/sh
# LISTING 2: Makefile generation can be automated to some
# extent. The **mmake** Bourne shell script-**awk** program
# uses the C source file names in the current directory and
# **#include "**__header-file__**"** preprocessor directives
# in those files in constructing a skeletal **make**
# program-description file.
#
# A. Listing of the **mmake** program, which prints a
# prototype makefile on the standard output:
#
# @(#) mmake Create a simple makefile
# Author: Mansour G. Raad, July 1989
# set -x # Uncomment for debugging
USAGE="Usage: $0 [target]"
# Process command-line arguments:
case $# in
0) CWD=`pwd`; TARGET=`basename $CWD` ;;
1) TARGET=$1 ;; # User-specified target
*) echo $USAGE >&2 # Only one argument
exit 1 ;;
esac
# Create make file:
echo "#"
echo "# Makefile"
echo "#" # Heading lines
echo "#"
echo "TARGET = $TARGET" # TARGET line
OS=`uname -s`
OSV=`uname -r`
case $OS in
SunOS)
case $OSV in
5*) echo "#Solaris "
MYTYPE=1
;;
*) echo "#SunOS"
MYTYPE=2
;;
esac
;;
ULTRIX) echo "#ULTRIX"
MYTYPE=3
;;
Linux) echo "#Linux"
MYTYPE==4
;;
*) echo "#unknown"
;;
esac
echo ""
echo "CFLAGS =-g" # C compiler flags
echo "CC=gcc"
CC="gcc"
echo "LIBS = -lX11 -lcurses -ltermcap"
case $MYTYPE in
1) echo "MORELIBS = -lucb -lsocket"
;;
2) echo "MOREINCL="#-I/usr/local/lib/gcc-lib/sparc-sun-sunos4.1/2.5.8/include
;;
esac
echo "" # Libraries
echo ""
# Print entries for header files:
awk '
$1 ~/#include/ && $2 ~ /"/ {
print $2
}' *.cc | sort -u | awk '{
split($1, H, "\"") # Puts "file.h" into H
NH++
HH[NH]=H[2] # Puts file.h into HH
}
END {
printf("HFILES= \\\n")
for (i = 1; i < NH; i++)
printf("\t%s\\\n", HH[i]) # Prints file.h\
printf("\t%s\n", HH[NH]) # Prints file.h
}'
# Print eNtries for object files:
ls *.cc | # List all C source files
awk -F. '{
CC[NR]=$1 # Store file name without suffix
}
END {
printf("OFILES= \\\n")
for (i = 1; i < NR; i++)
printf("\t%s.o\\\n", CC[i]) # Prints file.o\
printf("\t%s.o\n", CC[NR]) # Prints file.o
# Print entry to make TARGET:
printf("\n$(TARGET): $(OFILES)\n")
printf("\t$(CC) -o $@ $(CFLAGS) $(OFILES) $(LIBS) $(MORELIBS)\n\n")
printf("%%.o :\n")
printf("\t$(CC) -o $@ -c $(MOREINCL) $*.cc\n\n")
}'
#%.d: %.c
for ff in *.cc ; do
${CC} -MM ${ff} ${MOREINCL}
done
echo ""
echo "clean: "
echo " rm *.o core #*"
echo ""
exit 0
|
