core: fix out-of-tree builds

When building out of tree, the config.h header file is generated in the
build directory rather than the source directory.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bartosz Golaszewski <bartekgola@gmail.com>

diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
index f1ae0218119e3fd7af5087bfd4f9385c4ffc2cfc..622687a626eb24b4b25f925d6313fdf1b80c5050 100644 (file)
--- a/src/lib/Makefile.am
+++ b/src/lib/Makefile.am
@@ -10,5 +10,5 @@ lib_LTLIBRARIES = libgpiod.la
 libgpiod_la_SOURCES = core.c
 libgpiod_la_CFLAGS = -Wall -Wextra -g
 libgpiod_la_CFLAGS += -fvisibility=hidden -I$(top_srcdir)/include/
-libgpiod_la_CFLAGS += -include $(top_srcdir)/config.h
+libgpiod_la_CFLAGS += -include $(top_builddir)/config.h
 libgpiod_la_LDFLAGS = -version-number $(subst .,:,$(PACKAGE_VERSION))