build: Run pkg-config with all packages at once

1 files changed, 21 insertions, 0 deletions

diff --git a/config/vars.mk b/config/vars.mk
new file mode 100644
index 0000000..a8fae9d
--- /dev/null
+++ b/config/vars.mk
@@ -0,0 +1,21 @@
+# Copyright © Tavian Barnes <tavianator@tavianator.com>
+# SPDX-License-Identifier: 0BSD
+
+# Makefile fragment loads and exports variables for config steps
+
+GEN := ${BUILDDIR}/gen
+GEN := ${GEN:./%=%}
+
+include ${GEN}/vars.mk
+
+_CC := ${CC}
+_CPPFLAGS := ${CPPFLAGS}
+_CFLAGS := ${CFLAGS}
+_LDFLAGS := ${LDFLAGS}
+_LDLIBS := ${LDLIBS}
+
+export CC=${_CC}
+export CPPFLAGS=${_CPPFLAGS}
+export CFLAGS=${_CFLAGS}
+export LDFLAGS=${_LDFLAGS}
+export LDLIBS=${_LDLIBS}