dnl See whether we need a declaration for a function.
dnl RADIUSD_NEED_DECLARATION(FUNCTION [, EXTRA-HEADER-FILES])
AC_DEFUN([RADIUSD_NEED_DECLARATION],
[AC_MSG_CHECKING([whether $1 must be declared])
AC_CACHE_VAL(radius_cv_decl_needed_$1,
[AC_TRY_COMPILE([
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_CRYPT_H
#include <crypt.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_RESOURCE_H
#include <resource.h>
#endif
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#ifdef HAVE_UTMP_H
#include <utmp.h>
#endif
#ifdef HAVE_UTMPX_H
#include <utmpx.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif
#ifdef HAVE_REGEX_H
#include <regex.h>
#endif
#ifdef HAVE_SYSLOG_H
#include <syslog.h>
#endif
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
$2],
[char *(*pfn) = (char *(*)) $1],
eval "radius_cv_decl_needed_$1=no", eval "radius_cv_decl_needed_$1=yes")])
if eval "test \"`echo '$radius_cv_decl_needed_'$1`\" = yes"; then
AC_MSG_RESULT(yes)
radius_tr_decl=NEED_DECLARATION_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
AC_DEFINE_UNQUOTED($radius_tr_decl)
else
AC_MSG_RESULT(no)
fi
])dnl
dnl Check multiple functions to see whether each needs a declaration.
dnl RADIUSD_NEED_DECLARATIONS(FUNCTION... [, EXTRA-HEADER-FILES])
AC_DEFUN([RADIUSD_NEED_DECLARATIONS],
[for ac_func in $1
do
RADIUSD_NEED_DECLARATION($ac_func, $2)
done
])
dnl Checks to see if this is SUNPro we're building with
dnl Usage:
dnl AC_PROG_CC_SUNPRO
AC_DEFUN([AC_PROG_CC_SUNPRO],
[AC_CACHE_CHECK(whether we are using SUNPro C, ac_cv_prog_suncc,
[dnl The semicolon is to pacify NeXT's syntax-checking cpp.
cat > conftest.c <<EOF
#ifdef __SUNPRO_C
yes;
#endif
EOF
if AC_TRY_COMMAND(${CC-cc} -E conftest.c) | egrep yes >/dev/null 2>&1; then
ac_cv_prog_suncc=yes
else
ac_cv_prog_suncc=no
fi])])
dnl #
dnl # FR_CHECK_TYPE_INCLUDE([#includes ...], type, default-C-types)
dnl #
dnl # This function is like AC_CHECK_TYPE, but you can give this one
dnl # a list of include files to check.
dnl #
AC_DEFUN([FR_CHECK_TYPE_INCLUDE],
[
AC_CACHE_CHECK(for $2, ac_cv_type_$2,
[ ac_cv_type_$2=no
AC_TRY_COMPILE($1,
[$2 foo],
ac_cv_type_$2=yes,
)
]
)
if test "$ac_cv_type_$2" != "yes"; then
AC_DEFINE($2, $3, $4)
fi
])
dnl #
dnl # Locate the directory in which a particular file is found.
dnl #
dnl # Usage: FR_LOCATE_DIR(MYSQLLIB_DIR, libmysqlclient.a)
dnl #
dnl # Defines the variable MYSQLLIB_DIR to be the directory(s) in
dnl # which the file libmysqlclient.a is to be found.
dnl #
dnl #
AC_DEFUN([FR_LOCATE_DIR],
[
dnl # If we have the program 'locate', then the problem of finding a
dnl # particular file becomes MUCH easier.
dnl #
dnl #
dnl # No 'locate' defined, do NOT do anything.
dnl #
if test "x$LOCATE" != "x"; then
dnl #
dnl # Root through a series of directories, looking for the given file.
dnl #
DIRS=
file=$2
for x in `${LOCATE} $file 2>/dev/null`; do
dnl #
dnl # When asked for 'foo', locate will also find 'foo_bar', which we
dnl # don't want. We want that EXACT filename.
dnl #
dnl # We ALSO want to be able to look for files like 'mysql/mysql.h',
dnl # and properly match them, too. So we try to strip off the last
dnl # part of the filename, using the name of the file we're looking
dnl # for. If we CANNOT strip it off, then the name will be unchanged.
dnl #
base=`echo $x | sed "s%/${file}%%"`
if test "x$x" = "x$base"; then
continue;
fi
dir=`${DIRNAME} $x 2>/dev/null`
dnl #
dnl # Exclude a number of directories.
dnl #
exclude=`echo ${dir} | ${GREP} /home`
if test "x$exclude" != "x"; then
continue
fi
dnl #
dnl # OK, we have an exact match. Let's be sure that we only find ONE
dnl # matching directory.
dnl #
already=`echo \$$1 ${DIRS} | ${GREP} ${dir}`
if test "x$already" = "x"; then
DIRS="$DIRS $dir"
fi
done
fi
dnl #
dnl # And remember the directory in which we found the file.
dnl #
eval "$1=\"\$$1 $DIRS\""
])
dnl #######################################################################
dnl #
dnl # Look for a library in a number of places.
dnl #
dnl # FR_SMART_CHECK_LIB(library, function)
dnl #
AC_DEFUN([FR_SMART_CHECK_LIB], [
sm_lib_safe=`echo "$1" | sed 'y%./+-%__p_%'`
sm_func_safe=`echo "$2" | sed 'y%./+-%__p_%'`
AC_MSG_CHECKING([for $2 in -l$1])
old_LIBS="$LIBS"
smart_lib=
smart_lib_dir=
dnl #
dnl # Try first any user-specified directory, otherwise we may pick up
dnl # the wrong version.
dnl #
if test "x$smart_try_dir" != "x"; then
for try in $smart_try_dir; do
LIBS="-L$try -l$1 $old_LIBS"
AC_TRY_LINK([extern char $2();],
[ $2()],
smart_lib="-L$try -l$1")
if test "x$smart_lib" != "x"; then
break;
fi
done
LIBS="$old_LIBS"
fi
dnl #
dnl # Try using the default library path
dnl #
if test "x$smart_lib" = "x"; then
LIBS="-l$1 $old_LIBS"
AC_TRY_LINK([extern char $2();],
[ $2()],
smart_lib="-l$1")
LIBS="$old_LIBS"
fi
dnl #
dnl # Try to guess possible locations.
dnl #
if test "x$smart_lib" = "x"; then
FR_LOCATE_DIR(smart_lib_dir,[lib$1${libltdl_cv_shlibext}])
FR_LOCATE_DIR(smart_lib_dir,[lib$1.a])
for try in $smart_lib_dir /usr/local/lib /opt/lib; do
LIBS="-L$try -l$1 $old_LIBS"
AC_TRY_LINK([extern char $2();],
[ $2()],
smart_lib="-L$try -l$1")
if test "x$smart_lib" != "x"; then
break;
fi
done
LIBS="$old_LIBS"
fi
dnl #
dnl # Found it, set the appropriate variable.
dnl #
if test "x$smart_lib" != "x"; then
AC_MSG_RESULT(yes)
eval "ac_cv_lib_${sm_lib_safe}_${sm_func_safe}=yes"
LIBS="$smart_lib $old_LIBS"
SMART_LIBS="$smart_lib $SMART_LIBS"
else
AC_MSG_RESULT(no)
fi
])
dnl #######################################################################
dnl #
dnl # Look for a header file in a number of places.
dnl #
dnl # FR_SMART_CHECK_INCLUDE(foo.h, [ #include <other.h> ])
dnl #
AC_DEFUN([FR_SMART_CHECK_INCLUDE], [
ac_safe=`echo "$1" | sed 'y%./+-%__pm%'`
AC_MSG_CHECKING([for $1])
old_CFLAGS="$CFLAGS"
smart_include=
smart_include_dir=
dnl #
dnl # Try first any user-specified directory, otherwise we may pick up
dnl # the wrong version.
dnl #
if test "x$smart_try_dir" != "x"; then
for try in $smart_try_dir; do
CFLAGS="$old_CFLAGS -I$try"
AC_TRY_COMPILE([$2
#include <$1>],
[ int a = 1;],
smart_include="-I$try",
smart_include=)
if test "x$smart_include" != "x"; then
break;
fi
done
CFLAGS="$old_CFLAGS"
fi
dnl #
dnl # Try using the default includes.
dnl #
if test "x$smart_include" = "x"; then
AC_TRY_COMPILE([$2
#include <$1>],
[ int a = 1;],
smart_include=" ",
smart_include=)
fi
dnl #
dnl # Try to guess possible locations.
dnl #
if test "x$smart_include" = "x"; then
FR_LOCATE_DIR(smart_include_dir,$1)
for try in $smart_include_dir /usr/local/include /opt/include; do
CFLAGS="$old_CFLAGS -I$try"
AC_TRY_COMPILE([$2
#include <$1>],
[ int a = 1;],
smart_include="-I$try",
smart_include=)
if test "x$smart_include" != "x"; then
break;
fi
done
CFLAGS="$old_CFLAGS"
fi
dnl #
dnl # Found it, set the appropriate variable.
dnl #
if test "x$smart_include" != "x"; then
AC_MSG_RESULT(yes)
eval "ac_cv_header_$ac_safe=yes"
CFLAGS="$old_CFLAGS $smart_include"
SMART_CFLAGS="$SMART_CFLAGS $smart_include"
else
AC_MSG_RESULT(no)
fi
])
dnl #######################################################################
dnl #
dnl # Look for a header file in a number of places.
dnl #
dnl # Usage: FR_CHECK_STRUCT_HAS_MEMBER([#include <foo.h>], [struct foo], member)
dnl # If the member is defined, then the variable
dnl # ac_cv_type_struct_foo_has_member is set to 'yes'
dnl #
AC_DEFUN([FR_CHECK_STRUCT_HAS_MEMBER], [
AC_MSG_CHECKING([for $3 in $2])
dnl BASED on 'offsetof':
dnl #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
dnl
AC_TRY_COMPILE([
$1
#ifndef offsetof
#define offsetof(TYPE, MEMBER) ((int) &((TYPE *)0)->MEMBER)
#endif
],
[ int foo = offsetof($2, $3) ],
has_element=" ",
has_element=)
ac_safe_type=`echo "$2" | sed 'y% %_%'`
if test "x$has_element" != "x"; then
AC_MSG_RESULT(yes)
eval "ac_cv_type_${ac_safe_type}_has_$3=yes"
else
AC_MSG_RESULT(no)
eval "ac_cv_type_${ac_safe_type}_has_$3="
fi
])
dnl Autoconf 2.61 breaks the support for chained configure scripts
dnl in combination with config.cache
m4_pushdef([AC_OUTPUT],
[
unset ac_cv_env_LIBS_set
unset ac_cv_env_LIBS_value
m4_popdef([AC_OUTPUT])
AC_OUTPUT([$1],[$2],[$3])
])
# See if the compilation works with __thread, for thread-local storage
#
AC_DEFUN([FR_TLS],
[
AC_MSG_CHECKING(for TLS)
AC_RUN_IFELSE([AC_LANG_SOURCE([[ static __thread int val; int main() { return 0; } ]])],[have_tls=yes],[have_tls=no],[have_tls=no ])
AC_MSG_RESULT($have_tls)
if test "$have_tls" = "yes"; then
AC_DEFINE([HAVE_THREAD_TLS],[1],[Define if the compiler supports __thread])
fi
])
AC_DEFUN([AC_LIB_READLINE], [
AC_CACHE_CHECK([for a readline compatible library],
ac_cv_lib_readline, [
ORIG_LIBS=$LIBS
LIBREADLINE=
for readline_lib in readline edit editline; do
for termcap_lib in "" termcap curses ncurses; do
if test -z "$termcap_lib"; then
TRY_LIB="-l$readline_lib"
else
TRY_LIB="-l$readline_lib -l$termcap_lib"
fi
LIBS="$ORIG_LIBS $TRY_LIB"
AC_TRY_LINK_FUNC(readline, ac_cv_lib_readline="$TRY_LIB")
if test -n "$ac_cv_lib_readline"; then
LIBREADLINE="$TRY_LIB"
break
fi
done
if test -n "$ac_cv_lib_readline"; then
break
fi
done
if test -z "$ac_cv_lib_readline"; then
ac_cv_lib_readline="no"
fi
LIBS=$ORIG_LIBS
AC_SUBST(LIBREADLINE)
])
if test "$ac_cv_lib_readline" != "no"; then
AC_DEFINE(HAVE_LIBREADLINE, 1,
[Define if you have a readline compatible library])
AC_CHECK_HEADERS(readline.h readline/readline.h)
AC_CACHE_CHECK([whether readline supports history],
ac_cv_lib_readline_history, [
ac_cv_lib_readline_history="no"
AC_TRY_LINK_FUNC(add_history, ac_cv_lib_readline_history="yes")
])
if test "$ac_cv_lib_readline_history" = "yes"; then
AC_DEFINE(HAVE_READLINE_HISTORY, 1,
[Define if your readline library has \`add_history'])
AC_CHECK_HEADERS(history.h readline/history.h)
fi
fi
])
AC_INCLUDE(aclocal.m4)
