configure - pub/scm/utils/util-linux/util-linux - Git at Google

 #!/bin/sh
 # Configure script for util-linux - aeb, 990205
 #
 # We need to find out the following things:
 #
 # 1. For mount/nfsmount.c: is inet_aton() available?
 # 2. For fdisk/fdisksunlabel.c: is there a <scsi/scsi.h>?
 #    For fdisk/fdisk.c: is there a <linux/blkpg.h>?
 # 3. For sys-utils/ipcs.c: do we need __KERNEL__ and <linux/linkage.h>?
 # 4. For sys-utils/cytune.c: do we need <linux/tqueue.h>?
 # 5. For sys-utils/kbd_rate.c: does <linux/kd.h> exist?
 # 6. For cfdisk, setterm, more, ul: do we have ncurses? How installed?
 #    For more: do we have libtermcap?
 # 7. For chfn, chsh, login, newgrp, passwd: do we need -lcrypt?
 # 8. For sln: does static compilation work?
 #  9. For lib/nls.h: do we have <locale.h>?
 # 10. For lib/nls.h: do we have <libintl.h> and gettext()?
 # 11. For xgettext: does it take the option --foreign-user?
 # 12. For cal.c: do we have <langinfo.h>?
 # 13. For err.c: do we have __progname?
 # 14. For script.c: do we have <pty.h> and openpty()?

 if test "$RANDOM" = "$RANDOM"; then
   # Plain old Bourne shell.
   echo checking for gcc
   test -z "$CC" -a -n "`gcc 2>&1`" && CC="gcc -O"
 else
   # ksh, bash or zsh.  ksh and zsh write "command not found" to stderr.
   echo checking for gcc
   test -z "$CC" && type gcc && CC="gcc -O"
 fi

 CC=${CC-cc}
 CFLAGS=${CFLAGS-"-O"}
 DEFS=
 LIBS=
 compile='$CC $CFLAGS $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'
 static_compile='$CC -static $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'

 rm -f make_include defines.h conftest.c conftest

 #
 # 1. For mount/nfsmount.c: is inet_aton() available?
 #
 echo "
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 main(int a, char **v){
   if (a == -1)	/* false */
 	inet_aton((const char *) 0, (struct in_addr *) 0);
   exit(0);
 }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
 	echo "#define HAVE_inet_aton" >> defines.h
 	echo "You have inet_aton()"
 else
 	echo "You don't have inet_aton()"
 fi
 rm -f conftest conftest.c

 #
 # 2. For fdisk/fdisksunlabel.c: is <scsi/scsi.h> available?
 #    Some kernels have <scsi/scsi.h> that uses u_char
 #    But maybe there is already a typedef. Let us use a #define
 #
 echo "
 #define u_char	unsigned char
 #include <scsi/scsi.h>
 #undef u_char
 main(){ exit(0); }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
         echo "#define HAVE_scsi_h" >> defines.h
         echo "You have <scsi/scsi.h>"
 else
         echo "You don't have <scsi/scsi.h>"
 fi
 rm -f conftest conftest.c

 #
 # 2A. For fdisk/fdisk.c: is <linux/blkpg.h> available?
 #
 echo "
 #include <linux/blkpg.h>
 main(){ exit(0); }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
         echo "#define HAVE_blkpg_h" >> defines.h
         echo "You have <linux/blkpg.h>"
 else
         echo "You don't have <linux/blkpg.h>"
 fi
 rm -f conftest conftest.c

 #
 # 3. ipcs.c includes <sys/shm.h> and family
 # Do we need __KERNEL__ and asmlinkage for SHM_DEST?
 #
 echo "
 #include <sys/shm.h>
 main(){ int i=SHM_DEST; exit(0); }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
 	echo "You don't need <linux/linkage.h>"
 else
 	echo "#define NEED_linkage_h" >> defines.h
 	echo "You need <linux/linkage.h>"
 fi
 rm -f conftest conftest.c

 #
 # 4. cytune.c may need struct tq_struct
 #
 echo "
 #include <sys/types.h>
 #include <linux/cyclades.h>
 main(){ exit(0); }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
 	echo "You don't need <linux/tqueue.h>"
 else
 	echo "#define NEED_tqueue_h" >> defines.h
 	echo "You need <linux/tqueue.h>"
 fi
 rm -f conftest conftest.c

 #
 # 5. Does <linux/kd.h> exist?
 #
 echo "
 #include <linux/kd.h>
 main(){ exit(0); }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
 	echo "#define HAVE_kd_h" >> defines.h
 	echo "You have <linux/kd.h>"
 else
 	echo "You don't have <linux/kd.h>"
 fi
 rm -f conftest conftest.c

 #
 # 6. How is [n]curses installed?
 #
 test_curses_h=0
 have_ncurses=1
 if [ -f /usr/include/ncurses/curses.h ]; then
 	echo "HAVE_NCURSES=yes" >> make_include
 	echo "CURSESFLAGS=-I/usr/include/ncurses -DNCH=0" >> make_include
 	echo "You have ncurses. Using <ncurses/curses.h>."
 elif [ -f /usr/include/ncurses.h ]; then
 	echo "HAVE_NCURSES=yes" >> make_include
 	echo "CURSESFLAGS=-DNCH=1" >> make_include
 	echo "You have ncurses. Using <ncurses.h>."
 elif [ -f /usr/local/include/ncurses.h ]; then
 	echo "HAVE_NCURSES=yes" >> make_include
 	echo "CURSESFLAGS=-I/usr/local/include -DNCH=1" >> make_include
 	echo "You have ncurses. Using /usr/local/include/ncurses.h."
 elif [ -f /usr/include/curses.h ]; then
 	test_curses_h=1
 else
 	have_ncurses=0
 fi
 #
 # If we found a curses.h, test whether it is ncurses
 # (It should define __NCURSES_H and NCURSES_VERSION and NCURSES_CONST ...)
 #
 if [ $test_curses_h = 1 ]; then
   echo "
   #include <curses.h>
   main(){ char *c = NCURSES_VERSION; exit(0); }
   " > conftest.c
   eval $compile
   if test -s conftest && ./conftest 2>/dev/null; then
 	echo "HAVE_NCURSES=yes" >> make_include
 	echo "CURSESFLAGS=-DNCH=0" >> make_include
 	echo "You have ncurses. Using <curses.h>."
   else
 	have_ncurses=0
   fi
   rm -f conftest conftest.c
 fi

 if [ $have_ncurses = 0 ]; then
 	echo "HAVE_NCURSES=no" >> make_include
 	echo "You don't have ncurses - I will not make ul and setterm."
 else
 	echo "LIBCURSES=-lncurses" >> make_include
 fi

 #
 # Some systems have /usr/lib/termcap.so -> /usr/lib/termcap.so.2
 # where however the latter file does not exist. When termcap does
 # not exist, we can try to compile more with curses instead.
 #
 echo '
 #include <termcap.h>
 main(){ exit(0); tgetnum("li"); }
 ' > conftest.c
 LIBS=-ltermcap
 eval $compile
 LIBS=
 if test -s conftest && ./conftest 2>/dev/null; then
 	echo "#define HAVE_termcap" >> defines.h
 	echo "LIBTERMCAP=-ltermcap" >> make_include
 	echo "You have termcap"
 else
 	echo "HAVE_TERMCAP=no" >> make_include
 	echo "You don't have termcap"
 fi
 rm -f conftest conftest.c

 #
 # 7. Do we need -lcrypt?
 #
 echo '
 #define _XOPEN_SOURCE
 #include <unistd.h>
 main(){ char *c = crypt("abc","pw"); exit(0); }
 ' > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
 	echo "NEED_LIBCRYPT=no" >> make_include
 	echo "You don't need -lcrypt"
 else
 	echo "NEED_LIBCRYPT=yes" >> make_include
 	echo "You need -lcrypt"
 fi
 rm -f conftest conftest.c

 #
 # 8. Does static compilation work?
 #
 echo "
 main(){ return 0; }
 " > conftest.c
 eval $static_compile
 if test -s conftest && ./conftest 2>/dev/null; then
 	: OK, nothing special
 else
 	echo "CAN_DO_STATIC=no" >> make_include
 	echo "Strange... Static compilation fails here."
 fi

 #
 # 9. For lib/nls.h: do we have <locale.h>?
 #
 echo "
 #include <locale.h>
 main(){ exit(0); }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
         echo "#define HAVE_locale_h" >> defines.h
         echo "You have <locale.h>"
 else
         echo "You don't have <locale.h>"
 fi
 rm -f conftest conftest.c


 #
 # 10. For lib/nls.h: do we have <libintl.h> and gettext() ?
 #
 echo '
 #include <libintl.h>
 main(int a, char **v){
   if (a == -1)  /* false */
         gettext("There is no gettext man page\n");
   exit(0);
 }
 ' > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
         echo '#define HAVE_libintl_h' >> defines.h
         echo "You have <libintl.h> and gettext()"
         echo '#define ENABLE_NLS' >> defines.h
         echo "Assuming that you want to enable NLS support."
         echo "(Otherwise, edit defines.h)"
         ENABLE_NLS=yes
 else
         echo "You don't have <libintl.h>"
         ENABLE_NLS=no
 fi
 rm -f conftest conftest.c


 #
 # 11. Does xgettext exist and take the option --foreign-user?
 #
 if (test $ENABLE_NLS = yes && type xgettext > /dev/null 2>&1); then
 	msg=`xgettext --foreign-user 2>&1 | grep unrecognized`
 	if test -n "$msg"; then
 		echo "FOREIGN = " >> make_include
 	else
 		echo "FOREIGN = --foreign-user" >> make_include
 	fi
 	echo "HAVE_XGETTEXT=yes" >> make_include
 else
 	echo "HAVE_XGETTEXT=no" >> make_include
 fi

 #
 # 12. For cal.c: do we have <langinfo.h>?
 #
 echo "
 #include <langinfo.h>
 main(){ exit(0); }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
         echo "#define HAVE_langinfo_h" >> defines.h
         echo "You have <langinfo.h>"
 else
         echo "You don't have <langinfo.h>"
 fi
 rm -f conftest conftest.c


 #
 # 13. For err.c: do we have __progname?
 # [make sure gcc -O does not optimize the access away]
 #
 echo "
 #include <stdio.h>
 extern char *__progname;
 main(){ printf(__progname); exit(0); }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest > /dev/null 2>/dev/null; then
         echo "#define HAVE_progname" >> defines.h
         echo "You have __progname"
 else
         echo "You don't have __progname"
 fi
 rm -f conftest conftest.c


 #
 # 14. For script.c: do we have <pty.h> and openpty()?
 #
 echo "
 #include <pty.h>
 main(){ exit(0); openpty(0, 0, 0, 0, 0); }
 " > conftest.c
 eval $compile
 if test -s conftest && ./conftest 2>/dev/null; then
 	echo "HAVE_OPENPTY=yes" >> make_include
 	echo "#define HAVE_openpty" >> defines.h
 	echo "You have <pty.h> and openpty()"
 else
 	echo "You don't have <pty.h> and openpty()"
 fi
 rm -f conftest conftest.c
	#!/bin/sh
	# Configure script for util-linux - aeb, 990205
	#
	# We need to find out the following things:
	#
	# 1. For mount/nfsmount.c: is inet_aton() available?
	# 2. For fdisk/fdisksunlabel.c: is there a <scsi/scsi.h>?
	# For fdisk/fdisk.c: is there a <linux/blkpg.h>?
	# 3. For sys-utils/ipcs.c: do we need __KERNEL__ and <linux/linkage.h>?
	# 4. For sys-utils/cytune.c: do we need <linux/tqueue.h>?
	# 5. For sys-utils/kbd_rate.c: does <linux/kd.h> exist?
	# 6. For cfdisk, setterm, more, ul: do we have ncurses? How installed?
	# For more: do we have libtermcap?
	# 7. For chfn, chsh, login, newgrp, passwd: do we need -lcrypt?
	# 8. For sln: does static compilation work?
	# 9. For lib/nls.h: do we have <locale.h>?
	# 10. For lib/nls.h: do we have <libintl.h> and gettext()?
	# 11. For xgettext: does it take the option --foreign-user?
	# 12. For cal.c: do we have <langinfo.h>?
	# 13. For err.c: do we have __progname?
	# 14. For script.c: do we have <pty.h> and openpty()?

	if test "$RANDOM" = "$RANDOM"; then
	# Plain old Bourne shell.
	echo checking for gcc
	test -z "$CC" -a -n "`gcc 2>&1`" && CC="gcc -O"
	else
	# ksh, bash or zsh. ksh and zsh write "command not found" to stderr.
	echo checking for gcc
	test -z "$CC" && type gcc && CC="gcc -O"
	fi

	CC=${CC-cc}
	CFLAGS=${CFLAGS-"-O"}
	DEFS=
	LIBS=
	compile='$CC $CFLAGS $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'
	static_compile='$CC -static $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'

	rm -f make_include defines.h conftest.c conftest

	#
	# 1. For mount/nfsmount.c: is inet_aton() available?
	#
	echo "
	#include <sys/socket.h>
	#include <netinet/in.h>
	#include <arpa/inet.h>
	main(int a, char **v){
	if (a == -1) /* false */
	inet_aton((const char ) 0, (struct in_addr ) 0);
	exit(0);
	}
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "#define HAVE_inet_aton" >> defines.h
	echo "You have inet_aton()"
	else
	echo "You don't have inet_aton()"
	fi
	rm -f conftest conftest.c

	#
	# 2. For fdisk/fdisksunlabel.c: is <scsi/scsi.h> available?
	# Some kernels have <scsi/scsi.h> that uses u_char
	# But maybe there is already a typedef. Let us use a #define
	#
	echo "
	#define u_char unsigned char
	#include <scsi/scsi.h>
	#undef u_char
	main(){ exit(0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "#define HAVE_scsi_h" >> defines.h
	echo "You have <scsi/scsi.h>"
	else
	echo "You don't have <scsi/scsi.h>"
	fi
	rm -f conftest conftest.c

	#
	# 2A. For fdisk/fdisk.c: is <linux/blkpg.h> available?
	#
	echo "
	#include <linux/blkpg.h>
	main(){ exit(0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "#define HAVE_blkpg_h" >> defines.h
	echo "You have <linux/blkpg.h>"
	else
	echo "You don't have <linux/blkpg.h>"
	fi
	rm -f conftest conftest.c

	#
	# 3. ipcs.c includes <sys/shm.h> and family
	# Do we need __KERNEL__ and asmlinkage for SHM_DEST?
	#
	echo "
	#include <sys/shm.h>
	main(){ int i=SHM_DEST; exit(0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "You don't need <linux/linkage.h>"
	else
	echo "#define NEED_linkage_h" >> defines.h
	echo "You need <linux/linkage.h>"
	fi
	rm -f conftest conftest.c

	#
	# 4. cytune.c may need struct tq_struct
	#
	echo "
	#include <sys/types.h>
	#include <linux/cyclades.h>
	main(){ exit(0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "You don't need <linux/tqueue.h>"
	else
	echo "#define NEED_tqueue_h" >> defines.h
	echo "You need <linux/tqueue.h>"
	fi
	rm -f conftest conftest.c

	#
	# 5. Does <linux/kd.h> exist?
	#
	echo "
	#include <linux/kd.h>
	main(){ exit(0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "#define HAVE_kd_h" >> defines.h
	echo "You have <linux/kd.h>"
	else
	echo "You don't have <linux/kd.h>"
	fi
	rm -f conftest conftest.c

	#
	# 6. How is [n]curses installed?
	#
	test_curses_h=0
	have_ncurses=1
	if [ -f /usr/include/ncurses/curses.h ]; then
	echo "HAVE_NCURSES=yes" >> make_include
	echo "CURSESFLAGS=-I/usr/include/ncurses -DNCH=0" >> make_include
	echo "You have ncurses. Using <ncurses/curses.h>."
	elif [ -f /usr/include/ncurses.h ]; then
	echo "HAVE_NCURSES=yes" >> make_include
	echo "CURSESFLAGS=-DNCH=1" >> make_include
	echo "You have ncurses. Using <ncurses.h>."
	elif [ -f /usr/local/include/ncurses.h ]; then
	echo "HAVE_NCURSES=yes" >> make_include
	echo "CURSESFLAGS=-I/usr/local/include -DNCH=1" >> make_include
	echo "You have ncurses. Using /usr/local/include/ncurses.h."
	elif [ -f /usr/include/curses.h ]; then
	test_curses_h=1
	else
	have_ncurses=0
	fi
	#
	# If we found a curses.h, test whether it is ncurses
	# (It should define __NCURSES_H and NCURSES_VERSION and NCURSES_CONST ...)
	#
	if [ $test_curses_h = 1 ]; then
	echo "
	#include <curses.h>
	main(){ char *c = NCURSES_VERSION; exit(0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "HAVE_NCURSES=yes" >> make_include
	echo "CURSESFLAGS=-DNCH=0" >> make_include
	echo "You have ncurses. Using <curses.h>."
	else
	have_ncurses=0
	fi
	rm -f conftest conftest.c
	fi

	if [ $have_ncurses = 0 ]; then
	echo "HAVE_NCURSES=no" >> make_include
	echo "You don't have ncurses - I will not make ul and setterm."
	else
	echo "LIBCURSES=-lncurses" >> make_include
	fi

	#
	# Some systems have /usr/lib/termcap.so -> /usr/lib/termcap.so.2
	# where however the latter file does not exist. When termcap does
	# not exist, we can try to compile more with curses instead.
	#
	echo '
	#include <termcap.h>
	main(){ exit(0); tgetnum("li"); }
	' > conftest.c
	LIBS=-ltermcap
	eval $compile
	LIBS=
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "#define HAVE_termcap" >> defines.h
	echo "LIBTERMCAP=-ltermcap" >> make_include
	echo "You have termcap"
	else
	echo "HAVE_TERMCAP=no" >> make_include
	echo "You don't have termcap"
	fi
	rm -f conftest conftest.c

	#
	# 7. Do we need -lcrypt?
	#
	echo '
	#define _XOPEN_SOURCE
	#include <unistd.h>
	main(){ char *c = crypt("abc","pw"); exit(0); }
	' > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "NEED_LIBCRYPT=no" >> make_include
	echo "You don't need -lcrypt"
	else
	echo "NEED_LIBCRYPT=yes" >> make_include
	echo "You need -lcrypt"
	fi
	rm -f conftest conftest.c

	#
	# 8. Does static compilation work?
	#
	echo "
	main(){ return 0; }
	" > conftest.c
	eval $static_compile
	if test -s conftest && ./conftest 2>/dev/null; then
	: OK, nothing special
	else
	echo "CAN_DO_STATIC=no" >> make_include
	echo "Strange... Static compilation fails here."
	fi

	#
	# 9. For lib/nls.h: do we have <locale.h>?
	#
	echo "
	#include <locale.h>
	main(){ exit(0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "#define HAVE_locale_h" >> defines.h
	echo "You have <locale.h>"
	else
	echo "You don't have <locale.h>"
	fi
	rm -f conftest conftest.c


	#
	# 10. For lib/nls.h: do we have <libintl.h> and gettext() ?
	#
	echo '
	#include <libintl.h>
	main(int a, char **v){
	if (a == -1) /* false */
	gettext("There is no gettext man page\n");
	exit(0);
	}
	' > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo '#define HAVE_libintl_h' >> defines.h
	echo "You have <libintl.h> and gettext()"
	echo '#define ENABLE_NLS' >> defines.h
	echo "Assuming that you want to enable NLS support."
	echo "(Otherwise, edit defines.h)"
	ENABLE_NLS=yes
	else
	echo "You don't have <libintl.h>"
	ENABLE_NLS=no
	fi
	rm -f conftest conftest.c


	#
	# 11. Does xgettext exist and take the option --foreign-user?
	#
	if (test $ENABLE_NLS = yes && type xgettext > /dev/null 2>&1); then
	msg=`xgettext --foreign-user 2>&1 \| grep unrecognized`
	if test -n "$msg"; then
	echo "FOREIGN = " >> make_include
	else
	echo "FOREIGN = --foreign-user" >> make_include
	fi
	echo "HAVE_XGETTEXT=yes" >> make_include
	else
	echo "HAVE_XGETTEXT=no" >> make_include
	fi

	#
	# 12. For cal.c: do we have <langinfo.h>?
	#
	echo "
	#include <langinfo.h>
	main(){ exit(0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "#define HAVE_langinfo_h" >> defines.h
	echo "You have <langinfo.h>"
	else
	echo "You don't have <langinfo.h>"
	fi
	rm -f conftest conftest.c


	#
	# 13. For err.c: do we have __progname?
	# [make sure gcc -O does not optimize the access away]
	#
	echo "
	#include <stdio.h>
	extern char *__progname;
	main(){ printf(__progname); exit(0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest > /dev/null 2>/dev/null; then
	echo "#define HAVE_progname" >> defines.h
	echo "You have __progname"
	else
	echo "You don't have __progname"
	fi
	rm -f conftest conftest.c


	#
	# 14. For script.c: do we have <pty.h> and openpty()?
	#
	echo "
	#include <pty.h>
	main(){ exit(0); openpty(0, 0, 0, 0, 0); }
	" > conftest.c
	eval $compile
	if test -s conftest && ./conftest 2>/dev/null; then
	echo "HAVE_OPENPTY=yes" >> make_include
	echo "#define HAVE_openpty" >> defines.h
	echo "You have <pty.h> and openpty()"
	else
	echo "You don't have <pty.h> and openpty()"
	fi
	rm -f conftest conftest.c