Commit 7c671512 authored by Nick Mathewson's avatar Nick Mathewson 🎨
Browse files

r11612@catbus: nickm | 2007-01-30 18:14:07 -0500

 make TOR_SEARCH_LIBRARY work with openssl


svn:r9727
parent 0e44371a
......@@ -4,6 +4,16 @@ dnl Copyright (c) 2001-2004, Roger Dingledine
dnl Copyright (c) 2004-2007, Roger Dingledine, Nick Mathewson
dnl See LICENSE for licensing information
dnl TODO
dnl - Stop requiring gethostbyname_r entirely when we're building with
dnl eventdns?
dnl - Remove redundant event.h check.
dnl - Make the "no longe strictly accurate" message accurate.
dnl - Tell the user what -dev package to install based on OS.
dnl - Detect correct version of library.
dnl - After merge:
dnl Run autoupdate
AC_DEFUN([TOR_EXTEND_CODEPATH],
[
if test -d "$1/lib"; then
......@@ -22,7 +32,7 @@ dnl Look for a library, and its associated includes, and how to link
dnl against it.
dnl
dnl TOR_SEARCH_LIBRARY(libname, withlocation, linkargs, headers, prototype,
dnl code, optionname)
dnl code, optionname, searchextra)
AC_DEFUN([TOR_SEARCH_LIBRARY], [
tor_saved_LIBS="$LIBS"
......@@ -32,7 +42,7 @@ AC_CACHE_CHECK([for $1 directory], tor_cv_library_$1_dir, [
tor_$1_dir_found=no
tor_$1_any_linkable=no
for tor_trydir in "$2" "(system)" "$prefix" /usr/local /usr/pkg; do
for tor_trydir in "$2" "(system)" "$prefix" /usr/local /usr/pkg $8; do
LDFLAGS="$tor_saved_LDFLAGS"
LIBS="$tor_saved_LIBS $3"
CPPFLAGS="$tor_saved_CPPFLAGS"
......
......@@ -9,7 +9,7 @@ AM_CONFIG_HEADER(orconfig.h)
AC_CANONICAL_HOST
if test -f /etc/redhat-release; then
if test -f /etc/redhat-release ; then
CFLAGS="$CFLAGS -I/usr/kerberos/include"
fi
......@@ -202,11 +202,19 @@ AC_CHECK_TYPE(u_int32_t, unsigned long)
AC_CHECK_TYPE(u_int16_t, unsigned short)
AC_CHECK_TYPE(u_int8_t, unsigned char)
if test $bwin32 = true; then
WS32lib=-lws2_32
GDIlib=-lgdi32
else
W32lib=
GDIlib=
fi
TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $WS32lib], [
#include <sys/time.h>
#include <sys/types.h>
#include <event.h>], [void *event_init(void);],
[event_init(); exit(0);], [--with-libevent-dir])
[event_init(); exit(0);], [--with-libevent-dir], [/opt/libevent])
dnl Now check for particular libevent functions.
AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
......@@ -214,141 +222,18 @@ AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
dnl ------------------------------------------------------
dnl Where do you live, openssl? And how do we call you?
AC_CACHE_CHECK([for OpenSSL directory], tor_cv_openssl_dir, [
saved_LIBS="$LIBS"
saved_LDFLAGS="$LDFLAGS"
saved_CPPFLAGS="$CPPFLAGS"
ssl_found=no
for ssldir in $tryssldir "" $prefix /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
LDFLAGS="$saved_LDFLAGS"
if test $bwin32 = true; then
LIBS="$saved_LIBS -lssl -lcrypto -lws2_32 -lgdi32"
else
LIBS="$saved_LIBS -lssl -lcrypto"
fi
# Skip the directory if it isn't there.
if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
continue;
fi
if test ! -z "$ssldir" ; then
if test -d "$ssldir/lib" ; then
LDFLAGS="-L$ssldir/lib $LDFLAGS"
else
LDFLAGS="-L$ssldir $LDFLAGS"
fi
if test -d "$ssldir/include" ; then
CPPFLAGS="-I$ssldir/include $CPPFLAGS"
else
CPPFLAGS="-I$ssldir $CPPFLAGS"
fi
fi
# Can I link it?
AC_TRY_LINK([#include <openssl/rand.h>],
[ RAND_add((void*)0,0,0); ],
[ openssl_linked=yes ], [ openssl_linked=no ])
if test $openssl_linked = yes; then
if test ! -z "$ssldir" ; then
tor_cv_openssl_dir=$ssldir
else
tor_cv_openssl_dir="(system)"
fi
ssl_found=yes
break
fi
done
LIBS="$saved_LIBS"
LDFLAGS="$saved_LDFLAGS"
CPPFLAGS="$saved_CPPFLAGS"
if test $ssl_found = no ; then
AC_MSG_ERROR([Could not find a linkable OpenSSL. You can specify an explicit path using --with-ssl-dir])
fi
])
if test $bwin32 = true; then
LIBS="$LIBS -lssl -lcrypto -lws2_32 -lgdi32"
else
LIBS="$LIBS -lssl -lcrypto"
fi
if test "$tor_cv_openssl_dir" != "(system)"; then
if test -d "$tor_cv_openssl_dir/lib" ; then
LDFLAGS="-L$tor_cv_openssl_dir/lib $LDFLAGS"
ssl_libdir="$tor_cv_openssl_dir/lib"
else
LDFLAGS="-L$tor_cv_openssl_dir $LDFLAGS"
ssl_libdir="$tor_cv_openssl_dir"
fi
if test -d "$tor_cv_openssl_dir/include" ; then
CPPFLAGS="-I$tor_cv_openssl_dir/include $CPPFLAGS"
else
CPPFLAGS="-I$tor_cv_openssl_dir $CPPFLAGS"
fi
fi
if test -z "$CROSS_COMPILE"
then
AC_CACHE_CHECK([whether we need extra options to link OpenSSL],
tor_cv_openssl_linker_option, [
saved_LDFLAGS="$LDFLAGS"
ssl_runs=no
linked_with=nothing
for ssl_extra in "" "-Wl,-R$ssl_libdir" "-R$ssl_libdir" ; do
LDFLAGS="$ssl_extra $saved_LDFLAGS"
AC_TRY_RUN([
#include <string.h>
#include <openssl/rand.h>
int main(void)
{
char a[2048];
memset(a, 0, sizeof(a));
RAND_add(a, sizeof(a), sizeof(a));
return(RAND_status() <= 0);
}
],
openssl_runs=yes, openssl_runs=no, openssl_runs=cross)
if test $openssl_runs != no ; then
if test "$linked_with" = nothing; then
linked_with="$ssl_extra"
fi
AC_TRY_RUN([
#include <openssl/opensslv.h>
#include <openssl/crypto.h>
int main(void) {
return (OPENSSL_VERSION_NUMBER == SSLeay()) == 0;
}],
right_version=yes, right_version=no)
if test "$right_version" = yes; then
if test -z "$ssl_extra" ; then
tor_cv_openssl_linker_option='(none)'
else
tor_cv_openssl_linker_option=$ssl_extra
fi
ssl_runs=yes
break
fi
fi
done
if test $ssl_runs = no ; then
if test "$linked_with" = 'nothing' ; then
AC_MSG_ERROR([Found linkable OpenSSL in $tor_cv_openssl_dir, but it doesn't run, even with -R. Maybe specify another using --with-ssl-dir?])
else
if test -z "$linked_with" ; then
tor_cv_openssl_linker_option='(none)'
else
tor_cv_openssl_linker_option=$linked_with
fi
AC_MSG_WARN([I managed to make OpenSSL link and run, but I couldn't make it link against the same version I found header files for.])
fi
fi
LDFLAGS="$saved_LDFLAGS"
])
if test "$tor_cv_openssl_linker_option" != '(none)' ; then
LDFLAGS="$tor_cv_openssl_linker_option $LDFLAGS"
fi
fi
dnl AC_TRY_RUN([
dnl #include <openssl/opensslv.h>
dnl #include <openssl/crypto.h>
dnl int main(void) {
dnl return (OPENSSL_VERSION_NUMBER == SSLeay()) == 0;
dnl }],
TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $GDIlib],
[#include <openssl/rand.h>],
[void RAND_add(const void *buf, int num, double entropy);],
[RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
[/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
dnl Make sure to enable support for large off_t if avalable.
......
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