Fix php7 package to install elegantly

  - Add curl and pcre dependencies to the php7 package
  - Fix openssl package to install elegantly

packages/openssl.rb

@@ -7,17 +7,15 @@ class Openssl < Package
   source_sha1 'bdfbdb416942f666865fa48fe13c2d0e588df54f'          # source tarball sha1 sum
 
   def self.build                                                  # self.build contains commands needed to build the software from source
-    system './config'
+    system './config --prefix=/usr/local'
     system 'make'                                                 # ordered chronologically
   end
 
   def self.install                                                # self.install contains commands needed to install the software on the target system
-    system 'make DESTDIR=/usr/local/ssl install'
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"          # remember to include DESTDIR set to CREW_DEST_DIR - needed to keep track of changes made to system
     system 'cd /usr/local/ssl && \                                # make sure cert.pem exists
       wget http://curl.haxx.se/ca/cacert.pem && \
-      mv cacert.pem cert.pem && \
-      ln -s /usr/local/ssl/bin/openssl /usr/local/bin/openssl'    # override the system version (in case of a version mismatch)
-                                                                  # the caveat here is /usr/local/bin should come before /usr/bin in $PATH (the default)
+      mv cacert.pem cert.pem'
   end
 
 end

packages/php7.rb

@@ -5,15 +5,18 @@ class Php7 < Package
   source_url 'http://php.net/distributions/php-7.1.0.tar.xz' # software source tarball url
   source_sha1 'c74c920256b9c6873bae696fbb0ec14a02dc8495'     # source tarball sha1 sum
 
+  depends_on 'curl'
   depends_on 'libxml2'
   depends_on 'openssl'
+  depends_on 'pcre'
 
   def self.build                                             # self.build contains commands needed to build the software from source
     system './configure \
+      --prefix=/usr/local \
       --with-curl \
       --with-gd \
       --enable-mbstring \
-      --with-openssl=/usr/local/ssl \
+      --with-openssl \
       --with-pcre-regex \
       --with-zlib'
     system 'make'                                            # ordered chronologically