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When detecting OpenSSL, look for 1.0.1, and in homebrew location

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Previously we would detect the system openssl on OSX, and then fail
to use it, since we required Open 1.0.1 or later.  That's silly!

Instead of looking for RAND_add(), look for TLSv1_1_method(): it was
introduced in 1.0.1, and is also present in LibreSSL.

Also, add the hombebrew path to our search path here.

Fixes bug 23602; bugfix on 0.2.7.2-alpha.
This commit is contained in:
Nick Mathewson 2017-09-20 15:54:36 -04:00
parent 2c93be80d9
commit 564ff506ea
2 changed files with 11 additions and 4 deletions
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6
changes/ticket23602 Normal file
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@ -0,0 +1,6 @@
o Minor bugfixes (build):
- When searching for OpenSSL, don't accept any OpenSSL library that lacks
TLSv1_1_method(): Tor doesn't build with those versions. Additionally,
look in /usr/local/opt/openssl, if it's present. These changes
together repair the default build on OSX systems with Homebrew
installed. Fixes bug 23602; bugfix on 0.2.7.2-alpha.

9
configure.ac
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@ -612,11 +612,12 @@ AC_ARG_WITH(ssl-dir,
fi
])
AC_MSG_NOTICE([Now, we'll look for OpenSSL >= 1.0.1])
TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
[#include <openssl/rand.h>],
[void RAND_add(const void *buf, int num, double entropy);],
[RAND_add((void*)0,0,0);], [],
[/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
[#include <openssl/ssl.h>],
[struct ssl_method_st; const struct ssl_method_st *TLSv1_1_method(void);],
[TLSv1_1_method();], [],
[/usr/local/opt/openssl /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()