From 24334f3e5941c76fa6f6ac44e7543c7c4d516842 Mon Sep 17 00:00:00 2001
From: Jehan <jehan@girinstud.io>
Date: Sat, 11 Jun 2016 23:33:26 +0200
Subject: [PATCH] INSTALL, configure: add Dr. MinGW information...

... in the INSTALL file, but also in the summary of optional
dependencies at the end of the configure script.
---
 INSTALL.in   | 19 +++++++++++++------
 configure.ac | 10 ++++++++--
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/INSTALL.in b/INSTALL.in
index ef4bbde83d..e5cb97a46f 100644
--- a/INSTALL.in
+++ b/INSTALL.in
@@ -103,19 +103,25 @@ header files installed.
      or newer) to be present. You will also need PyGTK and the
      respective development headers.
 
- 13. Configure GIMP by running the `configure' script. You may want
+ 13. Windows builds can now generate backtrace logs upon a crash.
+     The logs will be available in: %APPDATA%\GIMP\@GIMP_APP_VERSION@\CrashLog\
+     The feature depends on Dr.MinGW's ExcHndl library:
+
+        https://github.com/jrfonseca/drmingw
+
+ 14. Configure GIMP by running the `configure' script. You may want
      to pass some options to it, see below.
 
- 14. Build GIMP by running `make'. The use of GNU make is recommended.
+ 15. Build GIMP by running `make'. The use of GNU make is recommended.
      If you need to tweak the build to make it work with other flavours
      of make, we'd appreciate if you'd send us a patch with the changes.
 
- 15. Install GIMP by running `make install'. In order to avoid clashes
+ 16. Install GIMP by running `make install'. In order to avoid clashes
      with other versions of GIMP, we install a binary called gimp-@GIMP_APP_VERSION@.
      By default there's also a link created so that you can type 'gimp'
      to start gimp-@GIMP_APP_VERSION@.
 
- 16. Summary of required packages and what version you need:
+ 17. Summary of required packages and what version you need:
 
      Package Name	Version
 
@@ -140,7 +146,7 @@ header files installed.
      pangocairo 	@PANGOCAIRO_REQUIRED_VERSION@
      zlib
 
- 17. Summary of optional packages:
+ 18. Summary of optional packages:
 
      Package Name	Version		Feature
 
@@ -158,8 +164,9 @@ header files installed.
      libwmf		@WMF_REQUIRED_VERSION@		WMF
      libXcursor		-		X11 Mouse Cursor
      libxpm		-		XPM
+     ExcHndl		-		Crash logs on Windows with Dr. MinGW
 
- 18. Summary of optional runtime dependencies:
+ 19. Summary of optional runtime dependencies:
 
      darktable >= 1.7, with lua support enabled for raw loading
      xdg-email for sending emails
diff --git a/configure.ac b/configure.ac
index ef3f6663ca..e3cfc8880d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -813,11 +813,16 @@ PKG_CHECK_MODULES(GEXIV2, gexiv2 >= gexiv2_required_version,,
 # Check for Dr. Mingw
 #####################
 
+enable_drmingw="no"
 if test "x$platform_win32" = "xyes"; then
    # Check for Dr. Mingw
    AC_CHECK_LIB(exchndl, ExcHndlSetLogFileNameA,
-		[AC_DEFINE(HAVE_EXCHNDL, 1, [Define to 1 when Dr. MingW is available])]
-		)
+                [
+                 AC_DEFINE(HAVE_EXCHNDL, 1, [Define to 1 when Dr. MingW is available])
+                 enable_drmingw="yes"
+                ],
+                [enable_drmingw="no (ExcHndl library missing)"]
+               )
 fi
 AM_CONDITIONAL(HAVE_EXCHNDL, test "x$ac_cv_lib_exchndl_ExcHndlSetLogFileNameA" = "xyes")
 
@@ -2517,6 +2522,7 @@ Extra Binaries:
 Optional Features:
   Language selection:  $have_iso_codes
   Vectorial icons:     $enable_vector_icons
+  Dr. Mingw (Win32):   $enable_drmingw
 
 Optional Plug-Ins:
   Ascii Art:           $have_libaa