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-rw-r--r--configure.ac4
1 files changed, 3 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 8ad8288..b7a5636 100644
--- a/configure.ac
+++ b/configure.ac
@@ -33,7 +33,9 @@ fi
# to SciTECO and Scintilla.
# We cannot pass CXXFLAGS directly to Scintilla since
# we modify it during library checking.
-SCINTILLA_CXXFLAGS="$CXXFLAGS"
+# Additionally, we can disable unused Scintilla features.
+# See https://scintilla.org/ScintillaDoc.html#BuildingScintilla
+SCINTILLA_CXXFLAGS="$CXXFLAGS -DNO_CXX11_REGEX -DSCI_DISABLE_PROVISIONAL"
AC_SUBST(SCINTILLA_CXXFLAGS)
# Automake build flag substitutions.