#
# 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>?
-# 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()?
-# 15. For lib/widechar.h: do we have wide character support?
-# 16. For clock/kd.c: do we have nanosleep()?
+# 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 <asm/page.h>?
+# H7. For nfsmount.h (nfsmount_xdr.c: int32_t): do we have <asm/types.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()?
+#
+# 1. For sys-utils/cytune.c: do we need <linux/tqueue.h>?
+# 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 <linux/unistd.h> define __NR_pivot_root?
+# 12. For hwclock.c: does struct tm have a field tm_gmtoff?
+# 13. For nfsmount: does the output of rpcgen compile?
rm -f make_include defines.h
echo '#define util_linux_version "util-linux-'$VERSION'"' >> defines.h
echo >> defines.h
-if test -z "$CC"
-then
- 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
-else
- echo "Using CC=\"$CC\""
- echo
-fi
-
CC=${CC-cc}
CFLAGS=${CFLAGS-"-O"}
+LDFLAGS=${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'
rm -f conftest.c conftest
+
+#
+# Find out about the existence of header files
+#
+
#
-# 1. For mount/nfsmount.c: is inet_aton() available?
+# 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
+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
+
+#
+# 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 <asm/page.h>?
+#
+if ./testincl "asm/page.h"; then
+ echo "#define HAVE_asm_page_h" >> defines.h
+fi
+
+#
+# H7. For nfsmount.h: do we have <asm/types.h>?
+#
+if ./testincl "asm/types.h"; then
+ echo "#define HAVE_asm_types_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>
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
+# F2. For mkswap.c: is fsync() available?
#
echo "
-#define u_char unsigned char
-#include <scsi/scsi.h>
-#undef u_char
-main(){ exit(0); }
+#include <unistd.h>
+main(int a, char **v){
+ if (a == -1) /* false */
+ fsync(0);
+ 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>"
+ echo "#define HAVE_fsync" >> defines.h
+ echo "You have fsync()"
else
- echo "You don't have <scsi/scsi.h>"
+ echo "You don't have fsync()"
fi
rm -f conftest conftest.c
#
-# 2A. For fdisk/fdisk.c: is <linux/blkpg.h> available?
+# F3. For agetty.c: is getdomainname() available?
#
-if ./testincl "linux/blkpg.h"; then
- echo "#define HAVE_blkpg_h" >> defines.h
+echo "
+#include <unistd.h>
+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 && ./conftest 2>/dev/null; then
+ echo "#define HAVE_getdomainname" >> defines.h
+ echo "You have getdomainname()"
+else
+ echo "You don't have getdomainname()"
fi
+rm -f conftest conftest.c
#
-# 4. cytune.c may need struct tq_struct
+# 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 && ./conftest 2>/dev/null; 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 && ./conftest 2>/dev/null; then
+ echo "#define HAVE_personality" >> defines.h
+ echo "You have personality()"
+else
+ echo "You don't have personality()"
+fi
+rm -f conftest conftest.c
+
+
+#
+# 1. cytune.c may need struct tq_struct
#
echo "
#include <sys/types.h>
rm -f conftest conftest.c
#
-# 5. Does <linux/kd.h> exist?
-#
-if ./testincl "linux/kd.h"; then
- echo "#define HAVE_kd_h" >> defines.h
-fi
-
-#
-# 6. How is [n]curses installed?
+# 2. How is [n]curses installed?
#
test_curses_h=0
have_ncurses=1
rm -f conftest conftest.c
#
-# 7. Do we need -lcrypt?
+# 4. Do we need -lcrypt?
#
echo '
#define _XOPEN_SOURCE
rm -f conftest conftest.c
#
-# 8. Does static compilation work?
+# 5. Does static compilation work?
#
echo "
main(){ return 0; }
echo "CAN_DO_STATIC=no" >> make_include
echo "Strange... Static compilation fails here."
fi
+rm -f conftest.c conftest
#
-# 9. For lib/nls.h: do we have <locale.h>?
-#
-if ./testincl "locale.h"; then
- echo "#define HAVE_locale_h" >> defines.h
-fi
-
-
-#
-# 10. For lib/nls.h: do we have <libintl.h> and gettext() ?
+# 6. For lib/nls.h: do we have <libintl.h> and gettext() ?
#
echo '
#include <libintl.h>
#
-# 11. Does xgettext exist and take the option --foreign-user?
+# 7. 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`
echo "HAVE_XGETTEXT=no" >> make_include
fi
-#
-# 12. For cal.c: do we have <langinfo.h>?
-#
-if ./testincl "langinfo.h"; then
- echo "#define HAVE_langinfo_h" >> defines.h
-fi
-
#
-# 13. For err.c: do we have __progname?
+# 8. For err.c: do we have __progname?
# [make sure gcc -O does not optimize the access away]
#
echo "
rm -f conftest conftest.c
#
-#
14. For script.c: do we have <pty.h> and openpty()?
+#
9. 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
+LIBS=-lutil
eval $compile
+LIBS=
if test -s conftest && ./conftest 2>/dev/null; then
echo "HAVE_OPENPTY=yes" >> make_include
echo "#define HAVE_openpty" >> defines.h
rm -f conftest conftest.c
#
-# 15. For lib/widechar.h: do we have wide character support?
+# 10. For lib/widechar.h: do we have wide character support?
# [Do we have the headers <wchar.h>, <wctype.h>, the types wchar_t, wint_t
# and the fgetwc, fputwc, WEOF functions/macros?]
#
rm -f conftest conftest.c
#
-# 16. For clock/kd.c: do we have nanosleep?
+# 11. For pivot_root.c: does <linux/unistd.h> define __NR_pivot_root?
+#
+echo "
+#include <linux/unistd.h>
+int main(void)
+{
+ return __NR_pivot_root;
+}
+" >conftest.c
+eval $compile
+if test -s conftest; then
+ echo "HAVE_PIVOT_ROOT=yes" >> make_include
+ echo "You have __NR_pivot_root"
+else
+ echo "You don't have __NR_pivot_root"
+fi
+rm -f conftest conftest.c
+
+#
+# 12. For hwclock.c: does struct tm have a field tm_gmtoff?
#
echo "
#include <time.h>
-int main () {
- struct timespec sleep = { 0, 1 };
- nanosleep( &sleep, NULL );
- exit(0);
+#include <unistd.h>
+int main(int a, char **v)
+{
+ struct tm *tm = localtime(0);
+ if (a == -1) /* false */
+ sleep(tm->tm_gmtoff);
+ exit(0);
}
-" > conftest.c
+" >conftest.c
eval $compile
-if test -s conftest && ./conftest 2>/dev/null; then
- echo "#define HAVE_nanosleep" >> defines.h
- echo "You have nanosleep()"
+if test -s conftest; then
+ echo "#define HAVE_tm_gmtoff" >> defines.h
+ echo "You have a tm_gmtoff field in struct tm"
else
- echo "You don't have nanosleep()"
+ echo "You don't have a tm_gmtoff field in struct tm"
fi
rm -f conftest conftest.c
+#
+# 13. For nfsmount: does the output of rpcgen compile?
+#
+# On some systems the output of rpcgen compiles with warnings
+# Here we conclude "Your rpcgen output does not compile"
+# and use pregenerated files. If one wishes to use rpcgen anyway,
+# just add the line "HAVE_GOOD_RPC=yes" to make_include.
+#
+rm -f conftest conftestx.c conftestl.c conftest.h conftest.x
+rm -f conftestx.o conftestl.o
+echo "
+#ifdef RPC_CLNT
+%#include <string.h> /* for memset() */
+#endif
+%#include <asm/types.h>
+typedef opaque fhandle[1];
+union fhstatus switch (unsigned fhs_status) {
+case 0:
+ fhandle fhs_fhandle;
+default:
+ void;
+};
+typedef string dirpath<1024>;
+struct ppathcnf {
+ short pc_mask[2];
+};
+
+program MOUNTPROG {
+ version MOUNTVERS {
+ fhstatus
+ MOUNTPROC_MNT(dirpath) = 1;
+ } = 2;
+} = 100005;
+" > conftest.x
+if rpcgen -h -o conftest.h conftest.x 2> conferrs && \
+ rpcgen -c -o conftestx.c conftest.x 2>> conferrs && \
+ rpcgen -l -o conftestl.c conftest.x 2>> conferrs && \
+ cc -c conftestx.c 2>> conferrs && cc -c conftestl.c 2>> conferrs && \
+ test ! -s conferrs
+then
+ echo "HAVE_GOOD_RPC=yes" >> make_include
+ echo "Your rpcgen seems to work"
+else
+ echo "Your rpcgen output does not compile"
+fi
+rm -f conftest conftestx.c conftestl.c conftest.h conftest.x conferrs
+rm -f conftestx.o conftestl.o
projects / thirdparty / util-linux.git / blobdiff