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[bug #63808] configure gives incorrect information regarding pdf generat

From: G. Branden Robinson
Subject: [bug #63808] configure gives incorrect information regarding pdf generation
Date: Sat, 25 Feb 2023 02:53:16 -0500 (EST) 
Follow-up Comment #64, bug #63808 (project groff):

With the changes discussed in comment #63...


$ git show --reverse origin..HEAD
commit 5b1d47e4fe4f15fc2b7249b34d1e94d190a1539f
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri Feb 24 06:37:19 2023 -0600

    m4/groff.m4: Improve URW font check.
    
    * m4/groff.m4 (GROFF_URW_FONTS_CHECK): When looking for a characteristic
      URW font by its file name, also check for "URWGothic-Book" with no
      file extension.  Avoids false negatives in URW Type 1 font detection
      when using Ghostscript 9.53.3.  Thanks to Deri James for suggesting
      the test procedure that uncovered this flaw.

diff --git a/ChangeLog b/ChangeLog
index 931717f64..fce638f5a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2023-02-24  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * m4/groff.m4 (GROFF_URW_FONTS_CHECK): When looking for a
+       characteristic URW font by its file name, also check for
+       "URWGothic-Book" with no file extension.  Avoids false negatives
+       in URW Type 1 font detection when using Ghostscript 9.53.3.
+       Thanks to Deri James for suggesting the test procedure that
+       uncovered this flaw.
+
 2023-02-22  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * Makefile.am (uninstall_groffdirs): Remove "html.mono" and
diff --git a/m4/groff.m4 b/m4/groff.m4
index b6c5535be..294817544 100644
--- a/m4/groff.m4
+++ b/m4/groff.m4
@@ -382,6 +382,7 @@ dnl Keep this list in sync with font/devpdf/Foundry.in.
   for k in $_list_paths
   do
     for _font_file in \
+      URWGothic-Book \
       URWGothic-Book.t1 \
       URWGothic-Book.pfb \
       URWGothicL-Book.pfb \

commit 763f3ae170a01b9c1c03d86552b98c0dc59cefe2
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri Feb 24 06:49:07 2023 -0600

    configure.ac: Drop now-redundant explicit check.
    
    * configure.ac: Drop now-redundant explicit `GROFF_URW_FONTS_CHECK`.
      `GROFF_GROPDF_DEPENDENCIES_CHECK` `AC_REQUIRE`s it as of commit
      ec001d2a23, 18 February.

diff --git a/ChangeLog b/ChangeLog
index fce638f5a..c387e885b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2023-02-24  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       * configure.ac: Drop now-redundant explicit
+       `GROFF_URW_FONTS_CHECK`.  `GROFF_GROPDF_DEPENDENCIES_CHECK`
+       `AC_REQUIRE`s it as of commit ec001d2a23, 18 February.
+
 2023-02-24  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * m4/groff.m4 (GROFF_URW_FONTS_CHECK): When looking for a
diff --git a/configure.ac b/configure.ac
index b4e992162..fa38baba9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -179,10 +179,6 @@ GROFF_GHOSTSCRIPT_VERSION_CHECK
 gl_GLIBC21
 gl_LOCALCHARSET
 
-# Check for presence of URW fonts (these require Ghostscript, which is
-# checked for by GROFF_CHECK_GROHTML_PROGRAMS).
-GROFF_URW_FONTS_CHECK
-
 AM_CONDITIONAL([BUILD_WINSCRIPTS], [test -n "$make_winscripts"])
 
 # If X11 is not available, don't build:

commit 4b6710a750012b6ffcc7ae6fef30013354583307
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri Feb 24 08:42:46 2023 -0600

    [build]: Don't treat Ghostscript fonts as URW.
    
    [build]: Stop scraping output of Ghostscript executable with "-h" option
    to attempt to find URW fonts.  Fonts that ship with Ghostscript are
    regarded as the "default" foundry, not the URW foundry (though they
    often ultimately originate with URW fonts).  They are often missing
    Adobe Font Metric (AFM) files, so it is impossible for groff to generate
    font description files for them at build time.
    
    * m4/groff.m4 (GROFF_URW_FONTS_CHECK): Drop `AC_REQUIRE` on
      `GROFF_AWK_PATH`.  Drop awk-based scraping of Ghostscript "-h" output.
      Annotate need for sync between this list of characteristic font file
      names and the one in BuildFoundries.
    
    Thanks to Deri James for the ongoing discussions.

diff --git a/ChangeLog b/ChangeLog
index c387e885b..9b8ecccc3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,20 @@
+2023-02-24  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       [build]: Stop scraping output of Ghostscript executable with
+       "-h" option to attempt to find URW fonts.  Fonts that ship with
+       Ghostscript are regarded as the "default" foundry, not the URW
+       foundry (though they often ultimately originate with URW fonts).
+       They are often missing Adobe Font Metric (AFM) files, so it is
+       impossible for groff to generate font description files for them
+       at build time.
+
+       * m4/groff.m4 (GROFF_URW_FONTS_CHECK): Drop `AC_REQUIRE` on
+       `GROFF_AWK_PATH`.  Drop awk-based scraping of Ghostscript "-h"
+       output.  Annotate need for sync between this list of
+       characteristic font file names and the one in BuildFoundries.
+
+       Thanks to Deri James for the ongoing discussions.
+
 2023-02-24  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        * configure.ac: Drop now-redundant explicit
diff --git a/m4/groff.m4 b/m4/groff.m4
index 294817544..06b32e159 100644
--- a/m4/groff.m4
+++ b/m4/groff.m4
@@ -348,25 +348,21 @@ AC_DEFUN([GROFF_URW_FONTS_PATH], [
 ])
 
 # Check for availability of URW fonts in the directory specified by the
-# user (see GROFF_URW_FONTS_PATH above); alternatively, use the search
-# path given by 'gs -h' (if possible) supplemented with the paths where
-# font/devpdf/Foundry.in expects them.
+# user (see GROFF_URW_FONTS_PATH above).  We do NOT search the path of
+# directories built into Ghostscript because those fonts lack the
+# corresponding AFM files we need to generate groff font description
+# files; see afmtodit(1).  Ghostscript's own fonts are treated as the
+# "default foundry" and we already provide descriptions of them in
+# font/devpdf (along with groff's EURO font).
 
 AC_DEFUN([GROFF_URW_FONTS_CHECK], [
   AC_REQUIRE([GROFF_URW_FONTS_PATH])
-  AC_REQUIRE([GROFF_AWK_PATH])
   AC_REQUIRE([GROFF_GHOSTSCRIPT_PATH])
   groff_have_urw_fonts=no
   AC_MSG_CHECKING([for URW fonts in Type 1/PFB format])
-  _list_paths=
-
-  if test "$AWK" != missing && test "$GHOSTSCRIPT" != missing
-  then
-    _list_paths=`$GHOSTSCRIPT -h | $AWK 'BEGIN { found = 0 } /Search path:/ {
found = 1 } /^[ ]*\// { print $'0' }'| tr : ' '`
-  fi
 
 dnl Keep this list in sync with font/devpdf/Foundry.in.
-  _list_paths="$_list_paths \
+  _list_paths="\
     /usr/share/fonts/type1/gsfonts/ \
     /usr/share/fonts/default/Type1/ \
     /usr/share/fonts/default/Type1/adobestd35/ \
@@ -379,6 +375,8 @@ dnl Keep this list in sync with font/devpdf/Foundry.in.
     _list_paths="$urwfontsdir"
   fi
 
+dnl Keep this list of font file names in sync with the corresponding
+dnl entry in font/devpdf/util/BuildFoundries.pl.
   for k in $_list_paths
   do
     for _font_file in \

commit 335b911faaafae94f1a8f5f68e2784a86cfc0ced
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri Feb 24 09:30:43 2023 -0600

    [devpdf]: Trivially refactor.
    
    Rename sed-substitutum [Lat.] from "@GROFF_GHOSTSCRIPT_INTERPRETERS@" to
    "@GHOSTSCRIPT@" for clarity and brevity; this is a scalar value
    containing the Autoconf-determined name of the Ghostscript interpreter.
    It is not the same as the replacement that occurs in contrib/pdfmark.
    
    * font/devpdf/devpdf.am:
    * font/devpdf/util/BuildFoundries.pl: Do it.

diff --git a/ChangeLog b/ChangeLog
index 9b8ecccc3..a02f60d73 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2023-02-24  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       [devpdf]: Trivially refactor.  Rename sed-substitutum [Lat.]
+       from "@GROFF_GHOSTSCRIPT_INTERPRETERS@" to "@GHOSTSCRIPT@" for
+       clarity and brevity; this is a scalar value containing the
+       Autoconf-determined name of the Ghostscript interpreter.  It is
+       not the same as the replacement that occurs in contrib/pdfmark.
+
+       * font/devpdf/devpdf.am:
+       * font/devpdf/util/BuildFoundries.pl: Do it.
+
 2023-02-24  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        [build]: Stop scraping output of Ghostscript executable with
diff --git a/font/devpdf/devpdf.am b/font/devpdf/devpdf.am
index 4b872182d..4f9923a9f 100644
--- a/font/devpdf/devpdf.am
+++ b/font/devpdf/devpdf.am
@@ -71,7 +71,7 @@ font/devpdf/util/BuildFoundries: \
        && if test -n "$(PERL)"; then \
             sed -f $(SH_DEPS_SED_SCRIPT) \
                 -e "s|/usr/bin/perl|$(PERL)|" \
-                -e "s|[@]GROFF_GHOSTSCRIPT_INTERPRETERS[@]|$(GHOSTSCRIPT)|"
\
+                -e "s|[@]GHOSTSCRIPT[@]|$(GHOSTSCRIPT)|" \
                 -e "s|[@]PATH_SEPARATOR[@]|$(PATH_SEPARATOR)|" \
                 -e "s|[@]VERSION[@]|$(VERSION)|" \
                 -e "s|[@]GROFF_FONT_DIR[@]|$(fontdir)|" \
diff --git a/font/devpdf/util/BuildFoundries.pl
b/font/devpdf/util/BuildFoundries.pl
index b22925a89..2815c379e 100644
--- a/font/devpdf/util/BuildFoundries.pl
+++ b/font/devpdf/util/BuildFoundries.pl
@@ -331,7 +331,7 @@ sub LocateFile
 
 sub FindGSpath
 {
-    my (@res)=`@GROFF_GHOSTSCRIPT_INTERPRETERS@ -h 2>/dev/null`;
+    my (@res)=`@GHOSTSCRIPT@ -h 2>/dev/null`;
     return [] if $?;
     my $buildpath=[];
     my $stg=1;

commit 3c4b49e0043eaa6df23d711c0256dd8dbf529d0d
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri Feb 24 09:46:51 2023 -0600

    [devpdf]: Generate tests from template files.
    
    [devpdf]: Generate tests from template files, so we can populate the
    test scripts with information determined at configuration.  The default
    foundry test depends on $GHOSTSCRIPT, and the URW foundry test on
    $urwfontsdir.
    
    * font/devpdf/tests/check-default-foundry.sh:
    * font/devpdf/tests/check-urw-foundry.sh: Rename these...
    * font/devpdf/tests/check-default-foundry.sh.in:
    * font/devpdf/tests/check-urw-foundry.sh.in: ...to these.
    
    * font/devpdf/devpdf.am (font_devpdf_default_test)
      (font_devpdf_urw_test): New variables store names of generated test
      scripts.
      (font/devpdf/tests/check-default-foundry.sh):
      (font/devpdf/tests/check-urw-foundry.sh): New targets produce test
      scripts from corresponding .in files.

diff --git a/ChangeLog b/ChangeLog
index a02f60d73..0323d7c99 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,22 @@
+2023-02-24  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       [devpdf]: Generate tests from template files, so we can populate
+       the test scripts with information determined at configuration.
+       The default foundry test depends on $GHOSTSCRIPT, and the URW
+       foundry test on $urwfontsdir.
+
+       * font/devpdf/tests/check-default-foundry.sh:
+       * font/devpdf/tests/check-urw-foundry.sh: Rename these...
+       * font/devpdf/tests/check-default-foundry.sh.in:
+       * font/devpdf/tests/check-urw-foundry.sh.in: ...to these.
+
+       * font/devpdf/devpdf.am (font_devpdf_default_test)
+       (font_devpdf_urw_test): New variables store names of generated
+       test scripts.
+       (font/devpdf/tests/check-default-foundry.sh):
+       (font/devpdf/tests/check-urw-foundry.sh): New targets produce
+       test scripts from corresponding .in files.
+
 2023-02-24  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        [devpdf]: Trivially refactor.  Rename sed-substitutum [Lat.]
diff --git a/font/devpdf/devpdf.am b/font/devpdf/devpdf.am
index 4f9923a9f..edce36575 100644
--- a/font/devpdf/devpdf.am
+++ b/font/devpdf/devpdf.am
@@ -178,12 +178,30 @@ uninstall_devpdf:
          rmdir $(DESTDIR)$(devpdffontdir); \
        fi
 
+font_devpdf_default_test=\
+  $(devpdf_srcdir)/tests/check-default-foundry.sh.in
+font_devpdf_urw_test=$(devpdf_srcdir)/tests/check-urw-foundry.sh.in
+
+font/devpdf/tests/check-default-foundry.sh: $(font_devpdf_default_test)
+       $(AM_V_GEN)$(MKDIR_P) `dirname $@` \
+       && sed -e "s|[@]GHOSTSCRIPT[@]|$(GHOSTSCRIPT)|g" \
+         $(font_devpdf_default_test) > $@ \
+       && chmod +x $@
+
+font/devpdf/tests/check-urw-foundry.sh: $(font_devpdf_urw_test)
+       $(AM_V_GEN)$(MKDIR_P) `dirname $@` \
+       && sed -e "s|[@]urwfontsdir[@]|$(urwfontsdir)|g" \
+         $(font_devpdf_urw_test) > $@ \
+       && chmod +x $@
+
 font_devpdf_TESTS = \
   font/devpdf/tests/check-default-foundry.sh \
   font/devpdf/tests/check-urw-foundry.sh
 
 TESTS += $(font_devpdf_TESTS)
-EXTRA_DIST += $(font_devpdf_TESTS)
+MOSTLYCLEANFILES += $(font_devpdf_TESTS)
+EXTRA_DIST += $(font_devpdf_default_test) $(font_devpdf_urw_test)
+
 
 # Local Variables:
 # mode: makefile-automake
diff --git a/font/devpdf/tests/check-default-foundry.sh
b/font/devpdf/tests/check-default-foundry.sh.in
similarity index 100%
rename from font/devpdf/tests/check-default-foundry.sh
rename to font/devpdf/tests/check-default-foundry.sh.in
diff --git a/font/devpdf/tests/check-urw-foundry.sh
b/font/devpdf/tests/check-urw-foundry.sh.in
similarity index 100%
rename from font/devpdf/tests/check-urw-foundry.sh
rename to font/devpdf/tests/check-urw-foundry.sh.in

commit 34dd527e49e08209286438573b7cf4dcc1241c79 (HEAD -> master)
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri Feb 24 18:07:45 2023 -0600

    XXX devpdf test rejigger

diff --git a/font/devpdf/tests/check-default-foundry.sh.in
b/font/devpdf/tests/check-default-foundry.sh.in
index 1ddd83d0b..d5e401df9 100755
--- a/font/devpdf/tests/check-default-foundry.sh.in
+++ b/font/devpdf/tests/check-default-foundry.sh.in
@@ -18,19 +18,42 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
 
-# Ensure that groff's PDF device has font description files for the
-# default (unnamed) foundry's PostScript Level 2 base 35 fonts, plus
-# groff's EURO.
-#
-# These font descriptions should be available in any gropdf
-# configuration because they can be copied from the devps font
-# descriptions even if the URW fonts are not available.
-#
-# Another test script checks the "U" (URW) foundry.
-
 devpdf_fontbuilddir="${abs_top_builddir:-.}"/font/devpdf
+ghostscript=@GHOSTSCRIPT@
+
+wail () {
+    echo ...FAILED >&2
+    fail=yes
+}
+
+fail=
+
+# The are the base 14 fonts required by the PDF standard.  They should
+# _always_ be present and supported.  If their corresponding Type 1 font
+# files are available, they too can be embedded in a PDF using gropdf's
+# "-e" option.  groff's "EURO" font is always available; we ship it.
+mandatory_fonts='CB
+CBI
+CI
+CR
+HB
+HBI
+HI
+HR
+S
+TB
+TBI
+TI
+TR
+ZD'
 
-fonts='AB
+# These fonts are commonly, but not universally, available; if used,
+# their corresponding Type 1 font files must be embedded in a document.
+#
+# Their groff font descriptions will always be available: we ship them.
+# But they are not usable with gropdf(1) if the Type 1 files are absent.
+# We thus will not test them if they are not expected to work.
+supplementary_fonts='AB
 ABI
 AI
 AR
@@ -38,19 +61,10 @@ BMB
 BMBI
 BMI
 BMR
-CB
-CBI
-CI
-CR
-EURO
-HB
-HBI
-HI
 HNB
 HNBI
 HNI
 HNR
-HR
 NB
 NBI
 NI
@@ -59,24 +73,25 @@ PB
 PBI
 PI
 PR
-S
-TB
-TBI
-TI
-TR
-ZCMI
-ZD'
+ZCMI'
 
-fail=
+for f in $mandatory_fonts
+do
+    printf "checking for font description %s...\n" "$f" >&2
+    test -f "$devpdf_fontbuilddir"/"$f" || wail
+done
+
+if [ "$ghostscript" != no ] && [ "$ghostscript" != missing ]
+then
+    echo "Ghostscript not available; skipping check for any further" \
+         "fonts in the default foundry" >&2
+    exit 77 # skip
+fi
 
-for f in $fonts
+for f in $supplementary_fonts
 do
     printf "checking for font description %s...\n" "$f" >&2
-    if ! [ -f "$devpdf_fontbuilddir"/"$f" ]
-    then
-        echo FAILED >&2
-        fail=yes
-    fi
+    test -f "$devpdf_fontbuilddir"/"$f" || wail
 done
 
 test -z "$fail"
diff --git a/font/devpdf/tests/check-urw-foundry.sh.in
b/font/devpdf/tests/check-urw-foundry.sh.in
index 9d4e514bf..d31b3aa3e 100755
--- a/font/devpdf/tests/check-urw-foundry.sh.in
+++ b/font/devpdf/tests/check-urw-foundry.sh.in
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2022 Free Software Foundation, Inc.
+# Copyright (C) 2022-2023 Free Software Foundation, Inc.
 #
 # This file is part of groff.
 #
@@ -19,8 +19,17 @@
 #
 
 # Ensure that groff's PDF device has URW font descriptions it expects.
+# These are generated at build time by afmtodit(1) if a URW font
+# directory was discovered at configuration time.
 
 devpdf_fontbuilddir="${abs_top_builddir:-.}"/font/devpdf
 
 devpdf_fontbuilddir="${abs_top_builddir:-.}"/font/devpdf
+urwfontsdir=@urwfontsdir@
+
+if [ -z "$urwfontsdir" ]
+then
+    echo "URW fonts not found at configuration time; skipping" >&2
+    exit 77 # skip
+fi
 
 fonts='AB
 ABI
@@ -67,7 +76,7 @@ do
     if ! test -f "$devpdf_fontbuilddir"/$f
     then
         echo test -f "$devpdf_fontbuilddir"/$f
-        echo FAILED >&2
+        echo ...FAILED >&2
         fail=yes
     fi
 done
diff --git a/m4/groff.m4 b/m4/groff.m4
index 06b32e159..617e16394 100644
--- a/m4/groff.m4
+++ b/m4/groff.m4
@@ -332,8 +332,6 @@ AC_DEFUN([GROFF_GROPDF_PROGRAM_NOTICE], [
   base 14 fonts, plus the 'EURO' font groff supplies, and font embedding
   with its '-e' option (accessed via the 'groff' command with the option
   '-P -e') will not be possible.
-
-  If you run "make check", an automated test for 'gropdf' will fail.
 ])
   fi
 ])
@@ -416,8 +414,6 @@ AC_DEFUN([GROFF_URW_FONTS_NOTICE], [
   the 'U' foundry in PDF documents generated by groff will not be
   possible.
 
-  If you run "make check", an automated test for 'gropdf' will fail.
-
   You can obtain the URW base 35 fonts from their GitHub project.  As of
   this writing (2023-02-15), you can find them in the 'fonts' directory
   of the following archives (choose one).


...things look much better in the contrived "scenario 01" (gs present, urw
absent).


$ ./configure --prefix=$HOME
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
...
checking for gs... gs
checking for pnmcrop... found
checking for pnmcut... found
checking for pnmtopng... found
checking for pnmtops... found
checking for psselect... missing
checking for URW fonts in Type 1/PFB format... none found
checking whether pnmtops accepts the '-nosetpage' option... yes
checking whether make defines 'RM'... yes
checking for a diff program that supports option -D... yes
checking whether test supports option -ef... yes
checking for bash... /usr/bin/bash
checking for gs version with good left sidebearing handling... got 9.53.3
(buggy)
checking whether we are using the GNU C Library >= 2.1 or uClibc... (cached)
yes
checking that generated files are newer than configure... done
configure: creating ./config.status
config.status: creating Makefile
config.status: creating test-groff
config.status: creating src/include/config.h
config.status: executing depfiles commands

GNU roff version 1.23.0.rc3.29-34dd52
----------------------------------------------------------------------
 installation directory prefix    : /home/branden
 C++ compiler and options         : g++ -g -O2 
 use libgroff's memory allocator  : no
 C compiler and options           : gcc -g -O2
 Perl interpreter version         : 5.32.1
 X11 support                      : disabled
 'groff -l' uses print spooler    : no
 use URW fonts for PDF output     : no
 preconv can use uchardet library : no
 can build groff.dvi, groff.pdf   : no
 tests can use poppler PDF tools  : no
----------------------------------------------------------------------
configure: Buggy version of Ghostscript detected.

  Ghostscript versions 9.00 <= x < 9.54 suffer from a rendering glitch
  that affects the AT&T troff (and groff) special character '\(lh'; see
  <https://bugs.ghostscript.com/show_bug.cgi?id=703187>.  If your
  version of Ghostscript has not been patched to fix this problem, you
  may need to work around it in groff documents you render for the
  PostScript (and, for tbl(1) tables, HTML) output devices.
  
configure: URW fonts in Type 1/PFB format were not found.

  groff font description files for the URW fonts, used by the 'gropdf'
  output driver, will not be available.  Use and embedding of fonts from
  the 'U' foundry in PDF documents generated by groff will not be
  possible.

  You can obtain the URW base 35 fonts from their GitHub project.  As of
  this writing (2023-02-15), you can find them in the 'fonts' directory
  of the following archives (choose one).

    https://github.com/ArtifexSoftware/urw-base35-fonts/archive/refs/
      tags/20200910.zip
    https://github.com/ArtifexSoftware/urw-base35-fonts/archive/refs/
      tags/20200910.tar.gz

  You may wish to check for a newer release.

    https://github.com/ArtifexSoftware/urw-base35-fonts/releases

  By default, groff will look for these fonts in the search path shown
  by the 'gs -h' command (if available) and in several directories
  specified in font/devpdf/Foundry.in).  You will need to 'make
  distclean' and re-run the 'configure' script after installing these
  fonts.

  Alternatively, you can pass the option '--with-urw-fonts-dir=DIR'
  to 'configure' to look for them in the directory DIR you specify.
  If found, the 'U' foundry will be available via the '-y' option to
  'gropdf' (accessed via the 'groff' command with the option '-P -y').
    
configure: The uchardet library was not found.

  The 'preconv' preprocessor program will be unable to attempt automatic
  inference of an input file's character encoding.  See the preconv(1)
  man page.
  
configure: The program 'psselect' was not found in $PATH.

  Consequently, groff's HTML output driver, 'grohtml', will not work
  properly.  It will not be possible to prepare or install
  groff-generated documentation in HTML format.

$ make check
  GEN      lib/alloca.h
  GEN      lib/inttypes.h
  GEN      lib/limits.h
...
PASS: contrib/rfc1345/tests/rfc1345-smoke-test.sh
  GEN      font/devpdf/tests/check-default-foundry.sh
SKIP: font/devpdf/tests/check-default-foundry.sh
  GEN      font/devpdf/tests/check-urw-foundry.sh
SKIP: font/devpdf/tests/check-urw-foundry.sh
SKIP: src/devices/grotty/tests/basic_latin_glyphs_map_correctly.sh
PASS: src/devices/grotty/tests/osc8_works.sh
...
============================================================================
Testsuite summary for GNU roff 1.23.0.rc3.29-34dd52
============================================================================
# TOTAL: 163
# PASS:  153
# SKIP:  8
# XFAIL: 2
# FAIL:  0
# XPASS: 0
# ERROR: 0
============================================================================


I'll check out the other 3 configurations in my Debian bullseye chroot, then
do builds on macOS, Solaris 10, and Solaris 11.

If all that works out, I'll write a proper commit message for that last
commit, and push.


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