makefile: rename make.conf to .config. Handle missing .config gracefully.

Makefile

@@ -9,20 +9,20 @@
 
 VERSION := 0.5.0
 
-# a bit of a hack to make sure this runs before any rules
-ifneq ($(CALCULATING),yes)
-TOTAL := $(shell $(MAKE) CALCULATING=yes -n | sed -n 's/^.*Compiling: \([^"]\+\)"/\1/p' > .files )
-endif
-
-all: make.conf FL Timeline
+all: .config FL Timeline
 
-make.conf: configure
+.config: configure
 	@ ./configure
 
 config:
 	@ ./configure
 
--include make.conf
+-include .config
+
+# a bit of a hack to make sure this runs before any rules
+ifneq ($(CALCULATING),yes)
+TOTAL := $(shell $(MAKE) CALCULATING=yes -n 2>/dev/null | sed -n 's/^.*Compiling: \([^"]\+\)"/\1/p' > .files )
+endif
 
 ifeq ($(USE_DEBUG),yes)
 	CXXFLAGS := -pipe -ggdb -Wall -Wextra -Wnon-virtual-dtor -Wno-missing-field-initializers -O0 -fno-rtti -fno-exceptions
@@ -57,12 +57,12 @@ SRCS:=$(Timeline_SRCS) $(FL_SRCS)
 OBJS:=$(FL_OBJS) $(Timeline_OBJS)
 
 # FIXME: isn't there a better way?
-$(OBJS): make.conf
+$(OBJS): .config
 
 TAGS: $(SRCS)
 	etags $(SRCS)
 
-.deps: make.conf $(SRCS)
+.deps: .config $(SRCS)
 	@ echo -n Calculating dependencies...
 	@ makedepend -f- -- $(CXXFLAGS) $(INCLUDES) -- $(SRCS) > .deps 2>/dev/null && echo $(DONE)
 

scripts/config-funcs

@@ -43,7 +43,7 @@ then
 
     if [ $# -gt 0 ]
     then
-        echo "## options" > make.conf
+        echo "## options" > .config
 
         split "$@" | sed '
 s/--\(enable\|disable\)-\([^ =]\+\)/--\1-\U\2/g;
@@ -51,11 +51,19 @@ s/--enable-\([^ =]\+\)=\(.*\)/USE_\1=\2/g;
 s/--enable-\([^ =]\+\)/USE_\1=yes/g;
 s/--disable-\([^ =]\+\)/USE_\1=no/g;
 s/--\([^ =]\+\)/\1/g;
-' | sed -n '/^[^ =]\+=./p' >> make.conf
+' | sed -n '/^[^ =]\+=./p' >> .config
         UPDATE=yes;
     fi
 fi
 
+if [ $HELP != yes ] && [ $UPDATE != yes ]
+then
+    if ! ( [ -t 0 ] && [ -t 1 ] )
+    then
+        fatal "not a terminal!"
+    fi
+fi
+
 ask ()
 {
     local A D O
@@ -108,7 +116,7 @@ ok ()
 failed ()
 {
     echo "$BOLD${RED}failed!${SGR0}" > /dev/stderr
-    rm -f make.conf
+    rm -f .config
 }
 
 using ()
@@ -127,7 +135,7 @@ extract_options ()
 {
     local line name value
 
-    if [ -f make.conf ]
+    if [ -f .config ]
     then
         {
             while read line
@@ -146,7 +154,7 @@ extract_options ()
                     eval "$name='$value'"
                 fi
             done
-        } < make.conf
+        } < .config
     fi
 }
 
@@ -183,7 +191,7 @@ begin_options ()
         echo " Available options:"
         echo
     else
-        echo > make.conf
+        echo > .config
         append "# This file was automatically generated on `date`. Any changes may be lost!"
         append "## options"
 
@@ -210,13 +218,13 @@ begin_tests ()
 
 append ()
 {
-    echo "$1" >> make.conf
+    echo "$1" >> .config
 }
 
 end ()
 {
     info "Configuration complete"
-    touch make.conf
+    touch .config
 }
 
 require_command ()