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Another configure.in fix. We copied some idiocy from our example "look for openssl" code where we skipped checking for the presence of header files when deciding whether we needed a -L or -I option. This broke the case where openssl/libevent was in our default linker search path, but not our default cpp search path. Thanks go to cat-"pathological case"-xeger and her Solaris box.

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svn:r6149
This commit is contained in:
Nick Mathewson 2006-03-13 05:42:19 +00:00
parent b318bd8989
commit 5762d52894
1 changed files with 20 additions and 5 deletions
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25
configure.in
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@ -109,6 +109,7 @@ dnl Where do you live, libevent? And how do we call you?
AC_CACHE_CHECK([for libevent directory], ac_cv_libevent_dir, [
saved_LIBS="$LIBS"
saved_LDFLAGS="$LDFLAGS"
saved_CPPFLAGS="$CPPFLAGS"
le_found=no
for ledir in $trylibeventdir "" $prefix /usr/local ; do
LDFLAGS="$saved_LDFLAGS"
@ -124,9 +125,16 @@ AC_CACHE_CHECK([for libevent directory], ac_cv_libevent_dir, [
else
LDFLAGS="-L$ledir $LDFLAGS"
fi
if test -d "$ledir/include" ; then
CPPFLAGS="-I$ledir/include $CPPFLAGS"
else
CPPFLAGS="-I$ledir $CPPFLAGS"
fi
fi
# Can I link it?
AC_TRY_LINK([], [ void *event_init(void); event_init(); ],
# Can I compile and link it?
AC_TRY_LINK([struct timeval { long tv_sec; long tv_usec; };
typedef unsigned char u_char; typedef unsigned long size_t;
#include <event.h>], [ event_init(); ],
[ libevent_linked=yes ], [ libevent_linked=no ])
if test $libevent_linked = yes; then
if test ! -z "$ledir" ; then
@ -140,6 +148,7 @@ AC_CACHE_CHECK([for libevent directory], ac_cv_libevent_dir, [
done
LIBS="$saved_LIBS"
LDFLAGS="$saved_LDFLAGS"
CPPFLAGS="$saved_CPPFLAGS"
if test $le_found = no ; then
AC_MSG_ERROR([Could not find a linkable libevent. You can specify an explicit path using --with-libevent-dir])
fi
@ -156,7 +165,6 @@ if test $ac_cv_libevent_dir != "(system)"; then
if test -d "$ac_cv_libevent_dir/include" ; then
CPPFLAGS="-I$ac_cv_libevent_dir/include $CPPFLAGS"
else
CPPFLAGS="-I$ac_cv_libevent_dir $CPPFLAGS"
fi
fi
@ -199,6 +207,7 @@ dnl Where do you live, openssl? And how do we call you?
AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssl_dir, [
saved_LIBS="$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"
@ -214,10 +223,15 @@ AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssl_dir, [
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([],
[ void RAND_add(const void *, int, double); RAND_add((void*)0,0,0); ],
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
@ -231,6 +245,7 @@ AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssl_dir, [
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