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Improve getopt_long search, per Peter: 

AC_SEARCH_LIBS(getopt_long, [getopt])
This commit is contained in:
Bruce Momjian 2002-07-17 02:54:01 +00:00
parent 5af19e4227
commit de1a6978fe
2 changed files with 70 additions and 21 deletions
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87
configure vendored
View File

@ -6045,19 +6045,24 @@ _ACEOF
fi
echo "$as_me:$LINENO: checking for main in -lgetopt" >&5
echo $ECHO_N "checking for main in -lgetopt... $ECHO_C" >&6
if test "${ac_cv_lib_getopt_main+set}" = set; then
echo "$as_me:$LINENO: checking for library containing getopt_long" >&5
echo $ECHO_N "checking for library containing getopt_long... $ECHO_C" >&6
if test "${ac_cv_search_getopt_long+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lgetopt $LIBS"
ac_func_search_save_LIBS=$LIBS
ac_cv_search_getopt_long=no
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */
#ifdef __cplusplus
extern "C"
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char getopt_long ();
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
@ -6067,7 +6072,7 @@ cat >conftest.$ac_ext <<_ACEOF
int
main ()
{
main ();
getopt_long ();
;
return 0;
}
@ -6084,23 +6089,67 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_lib_getopt_main=yes
ac_cv_search_getopt_long="none required"
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
ac_cv_lib_getopt_main=no
fi
rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
echo "$as_me:$LINENO: result: $ac_cv_lib_getopt_main" >&5
echo "${ECHO_T}$ac_cv_lib_getopt_main" >&6
if test $ac_cv_lib_getopt_main = yes; then
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBGETOPT 1
_ACEOF
if test "$ac_cv_search_getopt_long" = no; then
for ac_lib in getopt; do
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
LIBS="-lgetopt $LIBS"
/* Override any gcc2 internal prototype to avoid an error. */
#ifdef __cplusplus
extern "C"
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char getopt_long ();
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN() { return 1; }
#endif
int
main ()
{
getopt_long ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_search_getopt_long="-l$ac_lib"
break
else
echo "$as_me: failed program was:" >&5
cat conftest.$ac_ext >&5
fi
rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
done
fi
LIBS=$ac_func_search_save_LIBS
fi
echo "$as_me:$LINENO: result: $ac_cv_search_getopt_long" >&5
echo "${ECHO_T}$ac_cv_search_getopt_long" >&6
if test "$ac_cv_search_getopt_long" != no; then
test "$ac_cv_search_getopt_long" = "none required" || LIBS="$ac_cv_search_getopt_long $LIBS"
fi

4
configure.in
View File

@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
dnl $Header: /cvsroot/pgsql/configure.in,v 1.190 2002/07/16 05:46:35 momjian Exp $
dnl $Header: /cvsroot/pgsql/configure.in,v 1.191 2002/07/17 02:54:01 momjian Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@ -696,7 +696,7 @@ AC_CHECK_LIB(BSD, main)
AC_CHECK_LIB(gen, main)
AC_CHECK_LIB(PW, main)
AC_CHECK_LIB(resolv, main)
AC_CHECK_LIB(getopt, main)
AC_SEARCH_LIBS(getopt_long, [getopt])
# QNX:
AC_CHECK_LIB([[unix]], main)
AC_SEARCH_LIBS(crypt, crypt)