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These are the changes from the previous TL dvisvgm/configure.ac
to the current one. For reference only, won't apply to a
new version as is. See also patch-04-configure-upstream.
--- configure.ac (revision 49813)
+++ configure.ac (working copy)
@@ -10,12 +10,12 @@
dnl with or without modifications, as long as this notice is preserved.
dnl
dnl Adapted for TeX Live from original dvisvgm configure.ac
-dnl Copyright 2005-2018 Martin Gieseking
+dnl Copyright 2005-2019 Martin Gieseking
dnl
AC_PREREQ([2.65])
m4_include([version.ac])[] dnl define dvisvgm_version
AC_INIT([dvisvgm (TeX Live)], dvisvgm_version, [tex-k@tug.org])
-DATE="October 2018"
+DATE="January 2019"
AC_CONFIG_SRCDIR([dvisvgm-src/src/dvisvgm.cpp])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIRS([../../m4])dnl not just _DIR
@@ -200,8 +200,20 @@
CODE_COVERAGE_RULES=
AC_SUBST([CODE_COVERAGE_RULES])
+# TL: the original configure calls pkg_check_modules,
+# which calls ac_arg_var on the _cflags and _libs for various libraries,
+# which calls ac_subst. we'll just ac_subst them to get initial (empty)
+# definitions, so we can retain the += used by the original lib/defs.am.
+# (init brotli)
+AC_SUBST(BROTLI_CFLAGS)
+AC_SUBST(BROTLI_LIBS)
+# (init woff2)
+AC_SUBST(WOFF2_CFLAGS)
+AC_SUBST(WOFF2_LIBS)
+
AC_SUBST([DVISVGM_TREE], [dvisvgm-src])
+AC_SUBST([dvisvgm_srcdir], ['$(top_srcdir)/dvisvgm-src'])
AC_SUBST(DATE)
AC_SUBST(AM_CPPFLAGS)
AC_SUBST(AM_LDFLAGS)
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