commit a7d562e2639cef770b9482636a1395c7cac8aec0
from: Omar Polo <op@omarpolo.com>
date: Wed Nov 02 20:10:55 2022 UTC

use pkg-config for libgrapheme

commit - 3448adb0f01bad31cb91429d5f480f4bbf9c2c87
commit + a7d562e2639cef770b9482636a1395c7cac8aec0
blob - a27cd8159cf6150c97ebf4c578b6a900f87df128
blob + 4473cb9179ae177702bf0e89c0be7e18647a51c4
--- configure.ac
+++ configure.ac
@@ -82,9 +82,10 @@ AC_CHECK_LIB(tls, tls_init, [], [
 	AC_MSG_ERROR([requires libtls])
 ])
 
-AC_CHECK_LIB([grapheme], [grapheme_next_line_break_utf8], [
+PKG_CHECK_MODULES([libgrapheme], [libgrapheme], [
 	AC_SUBST([LIBGRAPHEME], [])
-	LIBS="-lgrapheme $LIBS"
+	CFLAGS="$libgrapheme_CFLAGS $CFLAGS"
+	LIBS="$libgrapheme_LIBS $LIBS"
 ], [
 	# build the bundled version.
 	AC_SUBST([LIBGRAPHEME], "$srcdir/libgrapheme/libgrapheme.a")