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Better checks for OpenSSL. I think it can now detect almost all conceivable installations.

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This commit is contained in:
Ivo Timmermans 2000-11-14 22:57:19 +00:00
parent 72c3776d6a
commit 9ddb37cee0
1 changed files with 54 additions and 27 deletions
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81
m4/openssl.m4
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@ -3,49 +3,76 @@ dnl Check to find the OpenSSL headers/libraries
AC_DEFUN(tinc_OPENSSL,
[
AC_CACHE_CHECK([for openssl], tinc_cv_openssl_include,
AC_ARG_WITH(openssl,
[ --with-openssl=DIR OpenSSL library and headers prefix],
[openssl_lib="$withval/lib"
openssl_include="$withval/include"]
)
AC_CACHE_CHECK([for openssl headers], tinc_cv_openssl_include,
[
AC_ARG_WITH(openssl,
[ --with-openssl=DIR OpenSSL library and headers prefix],
[echo -ne 'prefix...'
openssl_lib="$withval/lib"
openssl_include="$withval/include"]
)
AC_ARG_WITH(openssl-include,
[ --with-openssl-include=DIR OpenSSL headers directory],
[echo -ne 'includes...'
openssl_include="$withvall"]
[tinc_cv_openssl_include="$withval"],
[if test "x$openssl_include" = "x" ; then
tinc_cv_openssl_include="none given"
else
tinc_cv_openssl_include=$openssl_include
fi]
)
])
AC_CACHE_CHECK([for openssl libraries], tinc_cv_openssl_lib,
[
AC_ARG_WITH(openssl-lib,
[ --with-openssl-lib=DIR OpenSSL library directory],
[echo -ne 'libraries...'
openssl_lib="$withval"]
[tinc_cv_openssl_lib="$withval"],
[if test "x$openssl_lib" = "x" ; then
tinc_cv_openssl_lib="none given"
else
tinc_cv_openssl_lib=$openssl_lib
fi]
)
if test "x$openssl_lib" != "x" ; then
LIBS="$LIBS -L$openssl_lib"
fi
if test "x$openssl_include" != "x" ; then
INCLUDES="$INCLUDES -I$openssl_include"
fi
AC_MSG_RESULT([done.])
])
if test "$openssl_lib" != "none given" ; then
LIBS="$LIBS -L$tinc_cv_openssl_lib"
fi
if test "$openssl_include" != "none given" ; then
INCLUDES="$INCLUDES -I$tinc_cv_openssl_include"
fi
osi=none
AC_CHECK_HEADERS(evp.h rsa.h,
[osi=found
break])
if test "$osi" = "none" ; then
AC_CHECK_HEADERS(openssl/evp.h openssl/rsa.h,
[osi=found
break])
fi
libcrypto=none
AC_CHECK_LIB(crypto, SHA1_version, [
libcrypto=yes
])
if test "$osi" = "found" ; then
AC_CHECK_LIB(crypto, SHA1_version, [
libcrypto=yes
])
fi
if test $libcrypto = none; then
AC_MSG_ERROR(
[It seems like OpenSSL is not installed on this system. But perhaps
cat <<EOF
It seems like OpenSSL is not installed on this system. But perhaps
you need to supply the exact location of the headers and libraries.
You can try running configure with the --with-openssl=/DIRECTORY
parameter. If you installed the headers and libraries in a different
location you can use --with-openssl-include=/DIR and
--with-openssl-lib=/DIR.])
--with-openssl-lib=/DIR.
EOF
AC_MSG_ERROR(OpenSSL not found.)
else
LIBS="$LIBS -lcrypto"