gbranden pushed a commit to branch master
in repository groff.

commit 869f857e91acf855e035c1ae2f5d469275e0ccbd
Author: G. Branden Robinson <[email protected]>
AuthorDate: Mon Jan 19 17:18:15 2026 -0600

    [chem]: Skip smoke test if no Perl "Math::Trig".
    
    * contrib/chem/tests/smoke-test.sh: Skip test if Perl's Math::Trig
      module is not available.
    
    Thanks to Bruno Haible for the report.  See <https://lists.gnu.org/\
    archive/html/groff/2026-01/msg00075.html>.
---
 contrib/chem/ChangeLog           | 8 ++++++++
 contrib/chem/tests/smoke-test.sh | 5 +++++
 2 files changed, 13 insertions(+)

diff --git a/contrib/chem/ChangeLog b/contrib/chem/ChangeLog
index 573a98e35..bee214ded 100644
--- a/contrib/chem/ChangeLog
+++ b/contrib/chem/ChangeLog
@@ -1,3 +1,11 @@
+2026-01-19  G. Branden Robinson <[email protected]>
+
+       * tests/smoke-test.sh: Skip test if Perl's Math::Trig module is
+       not available.
+
+       Thanks to Bruno Haible for the report.  See <https://lists.gnu\
+       .org/archive/html/groff/2026-01/msg00075.html>.
+
 2026-01-13  Norwid Behrnd <[email protected]>
 
        * examples/lsd.chem: Improve visual representation.  Reorganize
diff --git a/contrib/chem/tests/smoke-test.sh b/contrib/chem/tests/smoke-test.sh
index 62724ccc9..4283e3e01 100755
--- a/contrib/chem/tests/smoke-test.sh
+++ b/contrib/chem/tests/smoke-test.sh
@@ -20,6 +20,11 @@
 
 groff="${abs_top_builddir:-.}/test-groff"
 
+if ! perl -e 'use Math::Trig;' 2> /dev/null
+then
+    exit 77 # skip
+fi
+
 input='.
 .cstart
 .cend

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