configure

Util-linux 软件包包含许多工具。其中比较重要的是加载、卸载、格式化、分区和管理硬盘驱动器

#!/bin/sh
# Configure script for util-linux - aeb, 990205
#
# We need to find out the following things:
#
# Version of gcc
#
# Existence of header files:
# H1. For fdisksunlabel.c: is there a <scsi/scsi.h>?
# H2. For fdisk.c: is there a <linux/blkpg.h>?
# H3. For kbd_rate.c: does <linux/kd.h> exist?
# H4. For nls.h: do we have <locale.h>?
# H5. For cal.c: do we have <langinfo.h>?
# H6. For mkswap.c: do we have <sys/user.h> or <asm/page.h>?
# H7. For nfsmount.c: do we have <rpcsvc/nfs_prot.h>?
# H8. For nfsmount.h (nfsmount_xdr.c: int32_t): do we have <asm/types.h>?
# H9. For raw.c: do we have <linux/raw.h>?
# H10. For md5.c: do we have <stdint.h>?
# H11. For cmos.c: do we have <sys/io.h>?
#
# Existence of functions:
# F1. For nfsmount.c: is inet_aton() available?
# F2. For mkswap.c: is fsync() available?
# F3. For agetty.c: is getdomainname() available?
# F4. For hwclock/kd.c: do we have nanosleep()?
# F5. For mkswap.c: do we have personality()?
# F6. For agetty.c: is updwtmp() available?
# F7. For pg.c: are fseeko() and ftello() available?
# F8. For fsck.cramfs.c: is lchown() available?
# F9. For cfdisk.c: is rpmatch() available?
#
#  1. Deleted.
#  2. For cfdisk, setterm, more, ul: do we have ncurses? How installed?
#  3. For more: do we have libtermcap?
#  4. For chfn, chsh, login, newgrp, passwd: do we need -lcrypt?
#  5. For sln: does static compilation work?
#  6. For lib/nls.h: do we have <libintl.h> and gettext()?
#  7. For xgettext: does it take the option --foreign-user?
#  8. For err.c: do we have __progname?
#  9. For script.c: do we have <pty.h> and openpty()?
# 10. For lib/widechar.h: do we have wide character support?
# 11. For pivot_root.c: does <sys/syscall.h> define SYS_pivot_root?
# 12. For hwclock.c: does struct tm have a field tm_gmtoff?
# 13. For nfsmount: does the output of rpcgen compile?
# 14. For fsck.cramfs, mkfs.cramfs: do we have libz?
# 15. For mount, do we have blkid?

rm -f make_include defines.h

VERSION=`cat VERSION`
echo
echo configuring util-linux-$VERSION
echo
echo "VERSION=$VERSION" > make_include
echo '#define UTIL_LINUX_VERSION "'$VERSION'"' > defines.h
echo '#define util_linux_version "util-linux-'$VERSION'"' >> defines.h
echo >> defines.h

CC=${CC-cc}
CFLAGS=${CFLAGS-"-O2"}
LDFLAGS=${LDFLAGS-"-s"}
echo CC=$CC >> make_include
echo CFLAGS=$CFLAGS >> make_include
echo LDFLAGS=$LDFLAGS >> make_include

DEFS=
LIBS=
compile='$CC $CFLAGS $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'
compile_with_warnings='$CC $CFLAGS $DEFS conftest.c -o conftest $LIBS 2>&1'
static_compile='$CC -static $DEFS conftest.c -o conftest $LIBS >/dev/null 2>&1'
eval COMPILE='"'$compile'"'
export COMPILE

rm -f conftest.c conftest

#
# Old gcc wants options like -m486, but gcc 3.0 says
# `-m486' is deprecated. Use `-march=i486' or `-mcpu=i486' instead.
#
echo "
int main(){ exit(0); }
" > conftest.c
gccout=`$CC $CFLAGS -m386 conftest.c -o conftest 2>&1 | grep "march="`
if test -z "$gccout"; then
    echo "HAVE_OLD_GCC=yes" >> make_include
fi
rm -f conftest conftest.c

#
# Find out about the existence of header files
#

#
# H1. 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
int main(){ exit(0); }
" > conftest.c
eval $compile
if test -s conftest; 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

#
# H2. For fdisk/fdisk.c: is <linux/blkpg.h> available?
#
if ./testincl "linux/blkpg.h"; then
        echo "#define HAVE_blkpg_h" >> defines.h
fi

#
# H3. Does <linux/kd.h> exist?
#
if ./testincl "linux/kd.h"; then
	echo "#define HAVE_kd_h" >> defines.h
fi

#
# H4. For lib/nls.h: do we have <locale.h>?
#
if ./testincl "locale.h"; then
        echo "#define HAVE_locale_h" >> defines.h
fi

#
# H5. For cal.c: do we have <langinfo.h>?
#
if ./testincl "langinfo.h"; then
        echo "#define HAVE_langinfo_h" >> defines.h
fi

#
# H6. For mkswap.c: do we have <sys/user.h> or <asm/page.h>?
#
if ./testincl "sys/user.h"; then
        echo "#define HAVE_sys_user_h" >> defines.h
else if ./testincl "asm/page.h"; then
        echo "#define HAVE_asm_page_h" >> defines.h
fi; fi

#
# H7. For nfsmount.c: do we have <rpcsvc/nfs_prot.h>?
#
if ./testincl "rpcsvc/nfs_prot.h"; then
	echo "#define HAVE_rpcsvc_nfs_prot_h" >> defines.h
fi

#
# H8. For nfsmount.h: do we have <asm/types.h>?
#
if ./testincl "asm/types.h"; then
        echo "#define HAVE_asm_types_h" >> defines.h
fi

#
# H9. For raw.c: do we have <linux/raw.h>?
#
if ./testincl "linux/raw.h"; then
        echo "HAVE_RAW_H=yes" >> make_include
fi

#
# H10. For md5.c: do we have <stdint.h>?
if ./testincl "stdint.h"; then
        echo "#define HAVE_stdint_h" >> defines.h
fi

#
# H11. For cmos.c: do we have <sys/io.h>?
if ./testincl "sys/io.h"; then
        echo "#define HAVE_sys_io_h" >> defines.h
fi

#
# Find out about the existence of functions
#

#
# F1. For mount/nfsmount.c: is inet_aton() available?
#
echo "
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
int 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; 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

#
# F2. For mkswap.c: is fsync() available?
#
echo "
#include <unistd.h>
int main(int a, char **v){
  if (a == -1)  /* false */
    fsync(0);
  exit(0);
}
" > conftest.c
eval $compile
if test -s conftest; then
	echo "#define HAVE_fsync" >> defines.h
	echo "You have fsync()"
else
	echo "You don't have fsync()"
fi
rm -f conftest conftest.c

#
# F3. For agetty.c: is getdomainname() available?
#
echo "
#include <unistd.h>
int main(int a, char **v){
  char buf[1];
  if (a == -1)  /* false */
    getdomainname(buf, sizeof buf);
  exit(0);
}
" > conftest.c
eval $compile
if test -s conftest; then
        echo "#define HAVE_getdomainname" >> defines.h
        echo "You have getdomainname()"
else
        echo "You don't have getdomainname()"
fi
rm -f conftest conftest.c

#
# F4. For hwclock/kd.c: do we have nanosleep?
#
echo "
#include <time.h>
int main () {
  struct timespec sleep = { 0, 1 };
  nanosleep( &sleep, NULL );
  exit(0);
}
" > conftest.c
eval $compile
if test -s conftest; then
	echo "#define HAVE_nanosleep" >> defines.h
	echo "You have nanosleep()"
else
	echo "You don't have nanosleep()"
fi
rm -f conftest conftest.c

#
# F5. For mkswap.c: do we have personality()?
#
echo "
int main () {
  extern int personality(unsigned long);
  personality(0);
  exit(0);
}
" > conftest.c
eval $compile
if test -s conftest; then
	echo "#define HAVE_personality" >> defines.h
	echo "You have personality()"
else
	echo "You don't have personality()"
fi
rm -f conftest conftest.c

#
# F6. For agetty.c: is updwtmp() available?
#
echo '
#include <string.h>
#include <utmp.h>
int main(int a, char **v){
  struct  utmp ut;
  memset (&ut, 0, sizeof(ut));
  if (a == -1)  /* false */
    updwtmp("/nowhere/wtmp", &ut);
  exit(0);
}
' > conftest.c
eval $compile
if test -s conftest; then
        echo "#define HAVE_updwtmp" >> defines.h
        echo "You have updwtmp()"
else
        echo "You don't have updwtmp()"
fi
rm -f conftest conftest.c

#
# F7. For pg.c: are fseeko() and ftello() available?
#
echo '
#include <stdio.h>
int main(int a, char **v){
  fseeko(stdout, 0, 0);
  ftello(stdout);
  exit(0);
}
' > conftest.c
eval $compile
if test -s conftest; then
        echo "#define HAVE_fseeko" >> defines.h
        echo "You have fseeko()"
else
        echo "You don't have fseeko()"
fi
rm -f conftest conftest.c

#
# F8. For fsck.cramfs.c: is lchown() available?
#
echo '
#include <sys/types.h>
#include <unistd.h>
int main(int a, char **v){
  lchown("nowhere",0,0);
  exit(0);
}
' > conftest.c
gccout=`eval $compile_with_warnings | grep "lchown is not implemented"`
if test -s conftest -a -z "$gccout"; then
        echo "#define HAVE_lchown" >> defines.h
        echo "You have lchown()"
else
        echo "You don't have lchown()"
fi
rm -f conftest conftest.c

#
# F9. For cfdisk.c: is rpmatch() available?
#
echo '
#define _SVID_SOURCE
#include <stdlib.h>
int main(int a, char **v){
  rpmatch("y");
  exit(0);
}
' > conftest.c