From 4101ce14b3f6646f3468f6a489d87d057aab7163 Mon Sep 17 00:00:00 2001
From: "Yury G. Kudryashov" <urkud.urkud@gmail.com>
Date: Fri, 16 Apr 2010 09:38:32 +0400
Subject: [PATCH] configure.ac: ddd --with-firmware-path option

In NixOS we need to use non-standard firmware path: we have no /lib.
---
 Makefile.am                |  1 +
 configure.ac               | 21 +++++++++++++++++++++
 extras/firmware/firmware.c |  5 +----
 3 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 076db8c9..7403949c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -194,6 +194,7 @@ dist_udevrules_DATA += \
 # ------------------------------------------------------------------------------
 extras_firmware_firmware_SOURCES = extras/firmware/firmware.c
 extras_firmware_firmware_LDADD = libudev/libudev-private.la
+extras_firmware_firmware_CPPFLAGS = $(AM_CPPFLAGS) -DFIRMWARE_PATH="$(FIRMWARE_PATH)"
 dist_udevrules_DATA += extras/firmware/50-firmware.rules
 libexec_PROGRAMS = extras/firmware/firmware
 
diff --git a/configure.ac b/configure.ac
index 492fa022..cce70d11 100644
--- a/configure.ac
+++ b/configure.ac
@@ -82,6 +82,26 @@ if test "x$enable_extras" = xyes; then
 		fi])
 	AC_SUBST(PCI_DATABASE)
 
+	AC_ARG_WITH(firmware-path,
+		AS_HELP_STRING([--with-firmware-path=DIR[[[:DIR[...]]]]],
+		   [Firmware search path (default=/lib/firmware/updates:/lib/firmware)]),
+		[],
+		[with_firmware_path="/lib/fimware/updates:/lib/fimware"]
+		)
+	OLD_IFS=$IFS
+	IFS=:
+	for i in $with_firmware_path
+	do
+		if test "x${FIRMWARE_PATH}" = "x"
+		then
+			FIRMWARE_PATH="\\\"${i}/\\\""
+		else
+			FIRMWARE_PATH="${FIRMWARE_PATH}, \\\"${i}/\\\""
+		fi
+	done
+	IFS=$OLD_IFS
+	AC_SUBST([FIRMWARE_PATH], [$FIRMWARE_PATH])
+
 	AC_CHECK_HEADER([linux/input.h], [:], AC_MSG_ERROR([kernel headers not found]))
 	AC_SUBST([INCLUDE_PREFIX], [$(echo '#include <linux/input.h>' | eval $ac_cpp -E - | sed -n '/linux\/input.h/ {s:.*"\(.*\)/linux/input.h".*:\1:; p; q}')])
 fi
@@ -144,6 +164,7 @@ AC_MSG_RESULT([
 
 	usb.ids:		${USB_DATABASE}
 	pci.ids:		${PCI_DATABASE}
+	firmware path:		${FIRMWARE_PATH}
 
 	xsltproc:		${XSLTPROC}
 	gperf:			${GPERF}
diff --git a/extras/firmware/firmware.c b/extras/firmware/firmware.c
index 92f0918c..76593bad 100644
--- a/extras/firmware/firmware.c
+++ b/extras/firmware/firmware.c
@@ -79,10 +79,7 @@ int main(int argc, char **argv)
 		{ "help", no_argument, NULL, 'h' },
 		{}
 	};
-	static const char *searchpath[] = {
-		"/lib/firmware/updates/",
-		"/lib/firmware/"
-	};
+	static const char *searchpath[] = { FIRMWARE_PATH };
 	char fwencpath[UTIL_PATH_SIZE];
 	char misspath[UTIL_PATH_SIZE];
 	char loadpath[UTIL_PATH_SIZE];
-- 
2.39.5