groff: fix build

Formula/groff.rb

@@ -4,7 +4,7 @@ class Groff < Formula
   url "https://ftp.gnu.org/gnu/groff/groff-1.22.4.tar.gz"
   mirror "https://ftpmirror.gnu.org/groff/groff-1.22.4.tar.gz"
   sha256 "e78e7b4cb7dec310849004fa88847c44701e8d133b5d4c13057d876c1bad0293"
-  license "GPL-3.0"
+  license "GPL-3.0-or-later"
 
   livecheck do
     url :stable
@@ -17,8 +17,21 @@ class Groff < Formula
     sha256 "2966f4b562c30eb6679d6940b43f4b99b2b625433e6a218489f160eb76c7c360" => :sierra
   end
 
+  depends_on "pkg-config" => :build
+  depends_on "ghostscript"
+  depends_on "netpbm"
+  depends_on "psutils"
+  depends_on "uchardet"
+
+  uses_from_macos "libiconv"
+  uses_from_macos "perl"
+
+  # See https://savannah.gnu.org/bugs/index.php?59276
+  # Fixed in 1.23.0
+  patch :DATA
+
   def install
-    system "./configure", "--prefix=#{prefix}", "--without-x"
+    system "./configure", "--prefix=#{prefix}", "--without-x", "--with-uchardet"
     system "make" # Separate steps required
     system "make", "install"
   end
@@ -28,3 +41,143 @@ def install
       pipe_output("#{bin}/groff -a", "homebrew\n")
   end
 end
+__END__
+--- a/src/libs/libgroff/assert.cpp
++++ b/src/libs/libgroff/assert.cpp
+@@ -16,6 +16,10 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#ifdef HAVE_CONFIG_H
++#include "config.h"
++#endif
++
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include "assert.h"
+--- a/src/libs/libgroff/errarg.cpp
++++ b/src/libs/libgroff/errarg.cpp
+@@ -17,6 +17,10 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#ifdef HAVE_CONFIG_H
++#include "config.h"
++#endif
++
+ #include <stdio.h>
+ #include "assert.h"
+ #include "errarg.h"
+--- a/src/libs/libgroff/error.cpp
++++ b/src/libs/libgroff/error.cpp
+@@ -17,6 +17,10 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#ifdef HAVE_CONFIG_H
++#include "config.h"
++#endif
++
+ #include <stdio.h>
+ #include <stdlib.h>
+ #include <string.h>
+--- a/src/preproc/eqn/eqn.ypp
++++ b/src/preproc/eqn/eqn.ypp
+@@ -16,6 +16,10 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+ %{
++#ifdef HAVE_CONFIG_H
++#include "config.h"
++#endif
++
+ #include <stdio.h>
+ #include <string.h>
+ #include <stdlib.h>
+--- a/src/libs/libgroff/curtime.cpp
++++ b/src/libs/libgroff/curtime.cpp
+@@ -15,6 +15,10 @@
+ The GNU General Public License version 2 (GPL2) is available in the
+ internet at <http://www.gnu.org/licenses/gpl-2.0.txt>. */
+
++#ifdef HAVE_CONFIG_H
++#include "config.h"
++#endif
++
+ #include <errno.h>
+ #include <limits.h>
+ #include <stdlib.h>
+--- a/src/libs/libgroff/device.cpp
++++ b/src/libs/libgroff/device.cpp
+@@ -17,6 +17,7 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#include "config.h"
+ #include <stdlib.h>
+ #include "device.h"
+ #include "defs.h"
+--- a/src/libs/libgroff/fatal.cpp
++++ b/src/libs/libgroff/fatal.cpp
+@@ -16,6 +16,7 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#include "config.h"
+ #include <stdlib.h>
+
+ #define FATAL_ERROR_EXIT_CODE 3
+--- a/src/libs/libgroff/string.cpp
++++ b/src/libs/libgroff/string.cpp
+@@ -17,6 +17,10 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#ifdef HAVE_CONFIG_H
++#include "config.h"
++#endif
++
+ #include <stdlib.h>
+
+ #include "lib.h"
+--- a/src/libs/libgroff/strsave.cpp
++++ b/src/libs/libgroff/strsave.cpp
+@@ -17,6 +17,7 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#include "config.h"
+ #include <string.h>
+ #include <stdlib.h>
+
+--- a/src/preproc/eqn/text.cpp
++++ b/src/preproc/eqn/text.cpp
+@@ -17,6 +17,7 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#include "config.h"
+ #include <ctype.h>
+ #include <stdlib.h>
+ #include "eqn.h"
+--- a/src/preproc/eqn/other.cpp
++++ b/src/preproc/eqn/other.cpp
+@@ -17,6 +17,7 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#include "config.h"
+ #include <stdlib.h>
+
+ #include "eqn.h"
+--- a/src/preproc/pic/object.cpp
++++ b/src/preproc/pic/object.cpp
+@@ -17,6 +17,8 @@ for more details.
+ You should have received a copy of the GNU General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
++#include "config.h"
++
+ #include <stdlib.h>
+
+ #include "pic.h"