speedo: Add VERBOSE variable

* build-aux/speedo.mk (VERBOSE): New variable.

--
While the configuration output stays silent by default
having the option to show it can be useful in case of
errors.

build-aux/speedo.mk

@@ -199,6 +199,9 @@ WIXPREFIX=$(shell readlink -f ~/w32root/wixtools)
 # If patchelf(1) is not available disable the command.
 PATCHELF := $(shell patchelf --version 2>/dev/null >/dev/null || echo "echo please run: ")patchelf
 
+# Set this to 1 to get verbose output
+VERBOSE=0
+
 # Read signing information from ~/.gnupg-autogen.rc
 define READ_AUTOGEN_template
 $(1) = $$(shell grep '^[[:blank:]]*$(1)[[:blank:]]*=' $$$$HOME/.gnupg-autogen.rc|cut -d= -f2|xargs)
@@ -681,13 +684,24 @@ speedo_w64_build_list = $(speedo_w64_spkgs)
 # assignments), we check that the targetos has been given
 ifneq ($(TARGETOS),)
 
+# Check for VERBOSE variable to conditionally set the silent option
+ifeq ($(VERBOSE),1)
+  slient_flag =
+  autogen_sh_silent_flag =
+else
+  slient_flag = --silent
+  autogen_sh_silent_flag = AUTOGEN_SH_SILENT=1
+endif
+
 # Determine build and host system
-build := $(shell $(topsrc)/autogen.sh --silent --print-build)
+build := $(shell $(topsrc)/autogen.sh $(silent_flag) --print-build)
 ifeq ($(TARGETOS),w32)
   speedo_autogen_buildopt := --build-$(W32VERSION)
   speedo_autogen_buildopt6 := --build-w64
-  host := $(shell $(topsrc)/autogen.sh --silent --print-host --build-$(W32VERSION))
+  host := $(shell $(topsrc)/autogen.sh $(silent_flag) --print-host \
-  host6:= $(shell $(topsrc)/autogen.sh --silent --print-host --build-w64)
+            --build-$(W32VERSION))
+  host6:= $(shell $(topsrc)/autogen.sh $(silent_flag) --print-host \
+            --build-w64)
   speedo_host_build_option := --host=$(host) --build=$(build)
   speedo_host_build_option6 := --host=$(host6) --build=$(build)
   speedo_w32_cflags := -mms-bitfields
@@ -910,13 +924,14 @@ else ifneq ($(findstring $(1),$(speedo_gnupg_style)),)
 	 mkdir "$$$${pkgbdir}";				\
 	 cd "$$$${pkgbdir}";		        	\
          if [ -n "$(speedo_autogen_buildopt)" ]; then   \
-            eval AUTOGEN_SH_SILENT=1 $(W32VERSION)root="$(idir)"  \
+            eval $(autogen_sh_silent_flag)              \
+               $(W32VERSION)root="$(idir)"              \
                "$$$${pkgsdir}/autogen.sh"               \
                $(speedo_autogen_buildopt)            	\
                $$$${pkgcfg} $$$${pkgextracflags}; 	\
          else                                        	\
             eval "$$$${pkgsdir}/configure" 		\
-	       --silent                 		\
+	       $(silent_flag)                 		\
 	       --enable-maintainer-mode			\
                --prefix="$(idir)"		        \
                $$$${pkgcfg} $$$${pkgextracflags};     	\
@@ -926,7 +941,7 @@ else
 	 mkdir "$$$${pkgbdir}";				\
 	 cd "$$$${pkgbdir}";		        	\
 	 eval "$$$${pkgsdir}/configure" 		\
-	     --silent $(speedo_host_build_option)	\
+	     $(silent_flag) $(speedo_host_build_option)	\
              --prefix="$(idir)"		        	\
 	     $$$${pkgcfg}  $$$${pkgextracflags};	\
 	 )
@@ -945,13 +960,13 @@ else ifneq ($(findstring $(1),$(speedo_gnupg_style)),)
 	 mkdir "$$$${pkgbdir}";				\
 	 cd "$$$${pkgbdir}";		        	\
          if [ -n "$(speedo_autogen_buildopt)" ]; then   \
-            eval AUTOGEN_SH_SILENT=1 w64root="$(idir6)" \
+            eval $(autogen_sh_silent_flag) w64root="$(idir6)" \
                "$$$${pkgsdir}/autogen.sh"               \
                $(speedo_autogen_buildopt6)            	\
                $$$${pkgcfg} $$$${pkgextracflags};       \
          else                                        	\
             eval "$$$${pkgsdir}/configure" 		\
-	       --silent                 		\
+	       $(silent_flag)                 		\
 	       --enable-maintainer-mode			\
                --prefix="$(idir6)"		        \
                $$$${pkgcfg} $$$${pkgextracflags};       \
@@ -961,7 +976,7 @@ else
 	 mkdir "$$$${pkgbdir}";				\
 	 cd "$$$${pkgbdir}";		        	\
 	 eval "$$$${pkgsdir}/configure" 		\
-	     --silent $(speedo_host_build_option6)	\
+	     $(silent_flag) $(speedo_host_build_option6)	\
              --prefix="$(idir6)"	        	\
 	     $$$${pkgcfg} $$$${pkgextracflags};       	\
 	 )