X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=configure.ac;h=7d0cc24698a71827c75b98d41098f6148bebef0d;hb=a126229dff2ee0b20b0c7dace7e523633cc6607e;hp=7eada3a32e0aa19875a8fa716fb615c316a76d39;hpb=0a36acbf6ac67cf6e95077aa25a001e2638f2798;p=openocd.git

diff --git a/configure.ac b/configure.ac
index 7eada3a32e..7d0cc24698 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
 AC_PREREQ([2.69])
 AC_INIT([openocd], [0.11.0+dev],
   [OpenOCD Mailing List <openocd-devel@lists.sourceforge.net>])
@@ -24,6 +26,12 @@ AC_PROG_CC
 m4_version_prereq([2.70],[],[AC_PROG_CC_C99])
 AM_PROG_CC_C_O
 AC_PROG_RANLIB
+
+# If macro PKG_PROG_PKG_CONFIG is not available, Autoconf generates a misleading error message,
+# so check for existence first, and otherwise provide helpful advice.
+m4_ifndef([PKG_PROG_PKG_CONFIG], [m4_fatal(m4_normalize([
+  Macro PKG_PROG_PKG_CONFIG is not available.
+  It is usually defined in file pkg.m4 provided by package pkg-config.]))])
 PKG_PROG_PKG_CONFIG([0.23])
 
 dnl disable checks for C++, Fortran and GNU Java Compiler
@@ -122,7 +130,8 @@ m4_define([USB1_ADAPTERS],
 	[[opendous], [eStick/opendous JTAG Programmer], [OPENDOUS]],
 	[[armjtagew], [Olimex ARM-JTAG-EW Programmer], [ARMJTAGEW]],
 	[[rlink], [Raisonance RLink JTAG Programmer], [RLINK]],
-	[[usbprog], [USBProg JTAG Programmer], [USBPROG]]])
+	[[usbprog], [USBProg JTAG Programmer], [USBPROG]],
+	[[esp_usb_jtag], [Espressif JTAG Programmer], [ESP_USB_JTAG]]])
 
 m4_define([DEPRECATED_USB1_ADAPTERS],
 	[[[aice], [Andes JTAG Programmer (deprecated)], [AICE]]])
@@ -714,6 +723,11 @@ AS_IF([test "x$enable_presto" != "xno"], [
   build_bitq=yes
 ])
 
+# esp-usb-jtag also needs the bitq module
+AS_IF([test "x$enable_esp_usb_jtag" != "xno"], [
+  build_bitq=yes
+])
+
 AM_CONDITIONAL([RELEASE], [test "x$build_release" = "xyes"])
 AM_CONDITIONAL([PARPORT], [test "x$build_parport" = "xyes"])
 AM_CONDITIONAL([DUMMY], [test "x$build_dummy" = "xyes"])
@@ -792,7 +806,6 @@ AS_IF([test "x${gcc_wextra}" = "xyes"], [
   GCC_WARNINGS="${GCC_WARNINGS} -Wredundant-decls"
   GCC_WARNINGS="${GCC_WARNINGS} -Wpointer-arith"
   GCC_WARNINGS="${GCC_WARNINGS} -Wundef"
-  GCC_WARNINGS="${GCC_WARNINGS} -Wno-error=deprecated-declarations"
 ])
 AS_IF([test "x${gcc_werror}" = "xyes"], [
   GCC_WARNINGS="${GCC_WARNINGS} -Werror"