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-rw-r--r--Makefile13
-rwxr-xr-xconfigure20
-rwxr-xr-xcreate_config2
-rw-r--r--rules.mak9
4 files changed, 21 insertions, 23 deletions
diff --git a/Makefile b/Makefile
index c5527398d8..144b392ca7 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,10 @@ else
DOCS=
endif
-build-all: $(TOOLS) $(DOCS) recurse-all
+SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory)
+
+build-all: config-host.h
+ $(call quiet-command, $(MAKE) $(SUBDIR_MAKEFLAGS) $(TOOLS) $(DOCS) recurse-all,)
config-host.mak: configure
ifneq ($(wildcard config-host.mak),)
@@ -37,10 +40,12 @@ ifneq ($(wildcard config-host.mak),)
@sed -n "/.*Configured with/s/[^:]*: //p" $@ | sh
endif
-SUBDIR_MAKEFLAGS=$(if $(V),,--no-print-directory)
+config-host.h: config-host.h-timestamp
+config-host.h-timestamp: config-host.mak
+
SUBDIR_RULES=$(patsubst %,subdir-%, $(TARGET_DIRS))
-subdir-%:
+subdir-%: config-host.h
$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $* V="$(V)" TARGET_DIR="$*/" all,)
$(filter %-softmmu,$(SUBDIR_RULES)): libqemu_common.a
@@ -200,7 +205,7 @@ clean:
done
distclean: clean
- rm -f config-host.mak config-host.h config-host.ld $(DOCS) qemu-options.texi qemu-img-cmds.texi
+ rm -f config-host.mak config-host.h* config-host.ld $(DOCS) qemu-options.texi qemu-img-cmds.texi
rm -f qemu-{doc,tech}.{info,aux,cp,dvi,fn,info,ky,log,pg,toc,tp,vr}
for d in $(TARGET_DIRS) libhw32 libhw64 libuser; do \
rm -rf $$d || exit 1 ; \
diff --git a/configure b/configure
index ed5d7d6da0..fd3cb240cf 100755
--- a/configure
+++ b/configure
@@ -1800,13 +1800,8 @@ echo "-> Your SDL version is too old - please upgrade to have SDL support"
fi
config_host_mak="config-host.mak"
-config_host_h="config-host.h"
config_host_ld="config-host.ld"
-#echo "Creating $config_host_mak and $config_host_h"
-
-test -f $config_host_h && mv $config_host_h ${config_host_h}~
-
echo "# Automatically generated by configure - do not modify" > $config_host_mak
printf "# Configured with:" >> $config_host_mak
printf " '%s'" "$0" "$@" >> $config_host_mak
@@ -2064,18 +2059,6 @@ echo "LIBS+=$LIBS" >> $config_host_mak
echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak
echo "EXESUF=$EXESUF" >> $config_host_mak
-echo "/* Automatically generated by configure - do not modify */" > $config_host_h
-
-/bin/sh $source_path/create_config < $config_host_mak >> $config_host_h
-
-if test -f ${config_host_h}~ ; then
- if cmp -s $config_host_h ${config_host_h}~ ; then
- mv ${config_host_h}~ $config_host_h
- else
- rm ${config_host_h}~
- fi
-fi
-
# generate list of library paths for linker script
$ld --verbose -v 2> /dev/null | grep SEARCH_DIR > ${config_host_ld}
@@ -2474,8 +2457,7 @@ fi
echo "LDFLAGS+=$ldflags" >> $config_mak
echo "QEMU_CFLAGS+=$cflags" >> $config_mak
-echo "/* Automatically generated by configure - do not modify */" > $config_h
-echo "#include \"../config-host.h\"" >> $config_h
+echo "#include \"../config-host.h\"" > $config_h
/bin/sh $source_path/create_config < $config_mak >> $config_h
diff --git a/create_config b/create_config
index 5bc8fb6b41..30d0487e24 100755
--- a/create_config
+++ b/create_config
@@ -1,5 +1,7 @@
#!/bin/sh
+echo "/* Automatically generated by create_config - do not modify */"
+
while read line; do
case $line in
diff --git a/rules.mak b/rules.mak
index b380903322..ca95351d96 100644
--- a/rules.mak
+++ b/rules.mak
@@ -35,3 +35,12 @@ quiet-command = $(if $(V),$1,$(if $(2),@echo $2 && $1, @$1))
cc-option = $(if $(shell $(CC) $1 $2 -S -o /dev/null -xc /dev/null \
>/dev/null 2>&1 && echo OK), $2, $3)
+
+# Generate timestamp files for .h include files
+
+%.h: %.h-timestamp
+ @test -f $@ || cp $< $@
+
+%.h-timestamp: %.mak
+ $(call quiet-command, $(SRC_PATH)/create_config < $< > $@, " GEN $*.h")
+ @cmp $@ $*.h >/dev/null 2>&1 || cp $@ $*.h