diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | Makefile | 7 | ||||
| -rwxr-xr-x | configure | 55 | ||||
| -rw-r--r-- | docs/devel/build-system.txt | 5 | ||||
| -rw-r--r-- | rules.mak | 231 | ||||
| -rwxr-xr-x | scripts/create_config | 6 |
6 files changed, 23 insertions, 282 deletions
diff --git a/.gitignore b/.gitignore index d1e5e06242..4ccb9ed975 100644 --- a/.gitignore +++ b/.gitignore @@ -80,7 +80,6 @@ *.msi *.dll *.so -*.mo *.fn *.ky *.log @@ -142,7 +142,7 @@ endif include $(SRC_PATH)/tests/Makefile.include -all: recurse-all modules +all: recurse-all # LIBFDT_lib="": avoid breaking existing trees with objects requiring -fPIC DTC_MAKE_ARGS=-I$(SRC_PATH)/dtc VPATH=$(SRC_PATH)/dtc -C dtc V="$(V)" LIBFDT_lib="" @@ -197,7 +197,7 @@ clean: recurse-clean ninja-clean clean-ctlist -test -f ninjatool && ./ninjatool $(if $(V),-v,) -t clean # avoid old build problems by removing potentially incorrect old files rm -f config.mak op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h - find . \( -name '*.so' -o -name '*.dll' -o -name '*.mo' -o -name '*.[oda]' \) -type f \ + find . \( -name '*.so' -o -name '*.dll' -o -name '*.[oda]' \) -type f \ ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-aarch64.a \ ! -path ./roms/edk2/ArmPkg/Library/GccLto/liblto-arm.a \ ! -path ./roms/edk2/BaseTools/Source/Python/UPT/Dll/sqlite3.dll \ @@ -382,9 +382,6 @@ print-help = $(quiet-@)$(call print-help-run,$1,$2) help: @echo 'Generic targets:' $(call print-help,all,Build all) -ifdef CONFIG_MODULES - $(call print-help,modules,Build all modules) -endif $(call print-help,dir/file.o,Build specified target only) $(call print-help,install,Install QEMU, documentation and tools) $(call print-help,ctags/TAGS,Generate tags file for editors) @@ -78,7 +78,6 @@ TMPC="${TMPDIR1}/${TMPB}.c" TMPO="${TMPDIR1}/${TMPB}.o" TMPCXX="${TMPDIR1}/${TMPB}.cxx" TMPE="${TMPDIR1}/${TMPB}.exe" -TMPMO="${TMPDIR1}/${TMPB}.mo" TMPTXT="${TMPDIR1}/${TMPB}.txt" rm -f config.log @@ -469,7 +468,7 @@ bigendian="no" mingw32="no" gcov="no" EXESUF="" -DSOSUF=".so" +HOST_DSOSUF=".so" LDFLAGS_SHARED="-shared" modules="no" module_upgrades="no" @@ -1001,7 +1000,7 @@ fi if test "$mingw32" = "yes" ; then EXESUF=".exe" - DSOSUF=".dll" + HOST_DSOSUF=".dll" # MinGW needs -mthreads for TLS and macro _MT. CFLAGS="-mthreads $CFLAGS" LIBS="-lwinmm -lws2_32 $LIBS" @@ -6255,31 +6254,6 @@ EOF fi fi -################################################# -# Sparc implicitly links with --relax, which is -# incompatible with -r, so --no-relax should be -# given. It does no harm to give it on other -# platforms too. - -# Note: the prototype is needed since QEMU_CFLAGS -# contains -Wmissing-prototypes -cat > $TMPC << EOF -extern int foo(void); -int foo(void) { return 0; } -EOF -if ! compile_object ""; then - error_exit "Failed to compile object file for LD_REL_FLAGS test" -fi -for i in '-Wl,-r -Wl,--no-relax' -Wl,-r -r; do - if do_cc -nostdlib $i -o $TMPMO $TMPO; then - LD_REL_FLAGS=$i - break - fi -done -if test "$modules" = "yes" && test "$LD_REL_FLAGS" = ""; then - feature_not_found "modules" "Cannot find how to build relocatable objects" -fi - ########################################## # check for sysmacros.h @@ -7011,12 +6985,7 @@ fi echo "CONFIG_AUDIO_DRIVERS=$audio_drv_list" >> $config_host_mak for drv in $audio_drv_list; do def=CONFIG_AUDIO_$(echo $drv | LC_ALL=C tr '[a-z]' '[A-Z]') - case "$drv" in - alsa | oss | pa | sdl) - echo "$def=m" >> $config_host_mak ;; - *) - echo "$def=y" >> $config_host_mak ;; - esac + echo "$def=y" >> $config_host_mak done if test "$alsa" = "yes" ; then echo "CONFIG_ALSA=y" >> $config_host_mak @@ -7105,7 +7074,7 @@ if test "$iconv" = "yes" ; then echo "ICONV_LIBS=$iconv_lib" >> $config_host_mak fi if test "$curses" = "yes" ; then - echo "CONFIG_CURSES=m" >> $config_host_mak + echo "CONFIG_CURSES=y" >> $config_host_mak echo "CURSES_CFLAGS=$curses_inc" >> $config_host_mak echo "CURSES_LIBS=$curses_lib" >> $config_host_mak fi @@ -7200,7 +7169,7 @@ if test "$bswap_h" = "yes" ; then echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak fi if test "$curl" = "yes" ; then - echo "CONFIG_CURL=m" >> $config_host_mak + echo "CONFIG_CURL=y" >> $config_host_mak echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak echo "CURL_LIBS=$curl_libs" >> $config_host_mak fi @@ -7209,7 +7178,7 @@ if test "$brlapi" = "yes" ; then echo "BRLAPI_LIBS=$brlapi_libs" >> $config_host_mak fi if test "$gtk" = "yes" ; then - echo "CONFIG_GTK=m" >> $config_host_mak + echo "CONFIG_GTK=y" >> $config_host_mak echo "GTK_CFLAGS=$gtk_cflags" >> $config_host_mak echo "GTK_LIBS=$gtk_libs" >> $config_host_mak if test "$gtk_gl" = "yes" ; then @@ -7472,13 +7441,13 @@ if test "$zstd" = "yes" ; then fi if test "$libiscsi" = "yes" ; then - echo "CONFIG_LIBISCSI=m" >> $config_host_mak + echo "CONFIG_LIBISCSI=y" >> $config_host_mak echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak echo "LIBISCSI_LIBS=$libiscsi_libs" >> $config_host_mak fi if test "$libnfs" = "yes" ; then - echo "CONFIG_LIBNFS=m" >> $config_host_mak + echo "CONFIG_LIBNFS=y" >> $config_host_mak echo "LIBNFS_LIBS=$libnfs_libs" >> $config_host_mak fi @@ -7500,7 +7469,7 @@ if test "$qom_cast_debug" = "yes" ; then echo "CONFIG_QOM_CAST_DEBUG=y" >> $config_host_mak fi if test "$rbd" = "yes" ; then - echo "CONFIG_RBD=m" >> $config_host_mak + echo "CONFIG_RBD=y" >> $config_host_mak echo "RBD_LIBS=$rbd_libs" >> $config_host_mak fi @@ -7572,7 +7541,7 @@ if test "$getauxval" = "yes" ; then fi if test "$glusterfs" = "yes" ; then - echo "CONFIG_GLUSTERFS=m" >> $config_host_mak + echo "CONFIG_GLUSTERFS=y" >> $config_host_mak echo "GLUSTERFS_CFLAGS=$glusterfs_cflags" >> $config_host_mak echo "GLUSTERFS_LIBS=$glusterfs_libs" >> $config_host_mak fi @@ -7602,7 +7571,7 @@ if test "$glusterfs_iocb_has_stat" = "yes" ; then fi if test "$libssh" = "yes" ; then - echo "CONFIG_LIBSSH=m" >> $config_host_mak + echo "CONFIG_LIBSSH=y" >> $config_host_mak echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak echo "LIBSSH_LIBS=$libssh_libs" >> $config_host_mak fi @@ -7862,7 +7831,7 @@ echo "LIBS+=$LIBS" >> $config_host_mak echo "LIBS_TOOLS+=$libs_tools" >> $config_host_mak echo "PTHREAD_LIB=$PTHREAD_LIB" >> $config_host_mak echo "EXESUF=$EXESUF" >> $config_host_mak -echo "DSOSUF=$DSOSUF" >> $config_host_mak +echo "HOST_DSOSUF=$HOST_DSOSUF" >> $config_host_mak echo "LDFLAGS_SHARED=$LDFLAGS_SHARED" >> $config_host_mak echo "LIBS_QGA=$libs_qga" >> $config_host_mak echo "TASN1_LIBS=$tasn1_libs" >> $config_host_mak diff --git a/docs/devel/build-system.txt b/docs/devel/build-system.txt index 41bd08ea3a..fea67b207c 100644 --- a/docs/devel/build-system.txt +++ b/docs/devel/build-system.txt @@ -404,10 +404,7 @@ using Makefile.target for the build rules. - rules.mak This file provides the generic helper rules for invoking build tools, in -particular the compiler and linker. This also contains the magic (hairy) -'unnest-vars' function which is used to merge the variable definitions -from all Makefile.objs in the source tree down into the main Makefile -context. +particular the compiler and linker. - default-configs/*.mak @@ -33,11 +33,6 @@ QEMU_DGFLAGS += -MMD -MP -MT $@ -MF $(@D)/$(*F).d # different for target-dependent ones. QEMU_LOCAL_INCLUDES = -iquote $(BUILD_DIR) -iquote $(BUILD_DIR)/$(@D) -iquote $(@D) -WL_U := -Wl,-u, -find-symbols = $(if $1, $(sort $(shell $(NM) -P -g $1 | $2))) -defined-symbols = $(call find-symbols,$1,awk '$$2!="U"{print $$1}') -undefined-symbols = $(call find-symbols,$1,awk '$$2=="U"{print $$1}') - WL := -Wl, ifdef CONFIG_DARWIN whole-archive = $(WL)-force_load,$1 @@ -45,32 +40,7 @@ else whole-archive = $(WL)--whole-archive $1 $(WL)--no-whole-archive endif -# All the .mo objects in -m variables are also added into corresponding -y -# variable in unnest-vars, but filtered out here, when LINK is called. -# -# The .mo objects are supposed to be linked as a DSO, for module build. So here -# they are only used as a placeholders to generate those "archive undefined" -# symbol options (-Wl,-u,$symbol_name), which are the archive functions -# referenced by the code in the DSO. -# -# Also the presence in -y variables will also guarantee they are built before -# linking executables that will load them. So we can look up symbol reference -# in LINK. -# -# This is necessary because the exectuable itself may not use the function, in -# which case the function would not be linked in. Then the DSO loading will -# fail because of the missing symbol. -process-archive-undefs = $(filter-out %.a %.fa %.mo %$(DSOSUF),$1) \ - $(addprefix $(WL_U), \ - $(filter $(call defined-symbols,$(filter %.a %.fa, $1)), \ - $(call undefined-symbols,$(filter %.mo %$(DSOSUF),$1)))) \ - $(foreach l,$(filter %.fa,$1),$(call whole-archive,$l)) \ - $(filter %.a,$1) - -extract-libs = $(strip $(foreach o,$(filter-out %.mo %$(DSOSUF),$1),$($o-libs))) -expand-objs = $(strip $(sort $(filter %.o,$1)) \ - $(foreach o,$(filter %.mo %$(DSOSUF),$1),$($o-objs)) \ - $(filter-out %.o %.mo %$(DSOSUF),$1)) +extract-libs = $(strip $(foreach o,$1,$($o-libs))) %.o: %.c @mkdir -p $(dir $@) @@ -83,7 +53,9 @@ expand-objs = $(strip $(sort $(filter %.o,$1)) \ LINKPROG = $(or $(CXX),$(CC)) LINK = $(call quiet-command, $(LINKPROG) $(CFLAGS) $(QEMU_LDFLAGS) -o $@ \ - $(call process-archive-undefs, $1) \ + $(filter-out %.a %.fa,$1) \ + $(foreach l,$(filter %.fa,$1),$(call whole-archive,$l)) \ + $(filter %.a,$1) \ $(call extract-libs,$1) $(LIBS),"LINK","$(TARGET_DIR)$@") %.o: %.S @@ -109,25 +81,11 @@ LINK = $(call quiet-command, $(LINKPROG) $(CFLAGS) $(QEMU_LDFLAGS) -o $@ \ %.o: %.dtrace $(call quiet-command,dtrace -o $@ -G -s $<,"GEN","$(TARGET_DIR)$@") -DSO_OBJ_CFLAGS := -fPIC -DBUILD_DSO -module-common.o: CFLAGS += $(DSO_OBJ_CFLAGS) -%$(DSOSUF): QEMU_LDFLAGS += $(LDFLAGS_SHARED) -%$(DSOSUF): %.mo - $(call LINK,$^) - @# Copy to build root so modules can be loaded when program started without install - $(if $(findstring /,$@),$(call quiet-command,cp $@ $(subst /,-,$@),"CP","$(subst /,-,$@)")) - - -LD_REL := $(CC) -nostdlib $(LD_REL_FLAGS) - -%.mo: - $(call quiet-command,$(LD_REL) -o $@ $^,"LD","$(TARGET_DIR)$@") - .PHONY: modules modules: %$(EXESUF): %.o - $(call LINK,$(filter %.o %.a %.mo %.fa, $^)) + $(call LINK,$(filter %.o %.a %.fa, $^)) %.a: $(call quiet-command,rm -f $@ && $(AR) rcs $@ $^,"AR","$(TARGET_DIR)$@") @@ -160,15 +118,6 @@ define install-prog $(if $(STRIP),$(STRIP) $(foreach T,$1,"$2/$(notdir $T)"),) endef -# find-in-path -# Usage: $(call find-in-path, prog) -# Looks in the PATH if the argument contains no slash, else only considers one -# specific directory. Returns an # empty string if the program doesn't exist -# there. -find-in-path = $(if $(findstring /, $1), \ - $(wildcard $1), \ - $(wildcard $(patsubst %, %/$1, $(subst :, ,$(PATH))))) - # Logical functions (for operating on y/n values like CONFIG_FOO vars) # Inputs to these must be either "y" (true) or "n" or "" (both false) # Output is always either "y" or "n". @@ -205,175 +154,5 @@ clean: clean-timestamp # will delete the target of a rule if commands exit with a nonzero exit status .DELETE_ON_ERROR: -# save-vars -# Usage: $(call save-vars, vars) -# Save each variable $v in $vars as save-vars-$v, save their object's -# variables, then clear $v. saved-vars-$v contains the variables that -# where saved for the objects, in order to speedup load-vars. -define save-vars - $(foreach v,$1, - $(eval save-vars-$v := $(value $v)) - $(eval saved-vars-$v := $(foreach o,$($v), \ - $(if $($o-cflags), $o-cflags $(eval save-vars-$o-cflags := $($o-cflags))$(eval $o-cflags := )) \ - $(if $($o-libs), $o-libs $(eval save-vars-$o-libs := $($o-libs))$(eval $o-libs := )) \ - $(if $($o-objs), $o-objs $(eval save-vars-$o-objs := $($o-objs))$(eval $o-objs := )))) - $(eval $v := )) -endef - -# load-vars -# Usage: $(call load-vars, vars, add_var) -# Load the saved value for each variable in @vars, and the per object -# variables. -# Append @add_var's current value to the loaded value. -define load-vars - $(eval $2-new-value := $(value $2)) - $(foreach v,$1, - $(eval $v := $(value save-vars-$v)) - $(foreach o,$(saved-vars-$v), - $(eval $o := $(save-vars-$o)) $(eval save-vars-$o := )) - $(eval save-vars-$v := ) - $(eval saved-vars-$v := )) - $(eval $2 := $(value $2) $($2-new-value)) -endef - -# fix-paths -# Usage: $(call fix-paths, obj_path, src_path, vars) -# Add prefix @obj_path to all objects in @vars, and add prefix @src_path to all -# directories in @vars. -define fix-paths - $(foreach v,$3, - $(foreach o,$($v), - $(if $($o-libs), - $(eval $1$o-libs := $($o-libs))) - $(if $($o-cflags), - $(eval $1$o-cflags := $($o-cflags))) - $(if $($o-objs), - $(eval $1$o-objs := $(addprefix $1,$($o-objs))))) - $(eval $v := $(addprefix $1,$(filter-out %/,$($v))) \ - $(addprefix $2,$(filter %/,$($v))))) -endef - -# unnest-var-recursive -# Usage: $(call unnest-var-recursive, obj_prefix, vars, var) -# -# Unnest @var by including subdir Makefile.objs, while protect others in @vars -# unchanged. -# -# @obj_prefix is the starting point of object path prefix. -# -define unnest-var-recursive - $(eval dirs := $(sort $(filter %/,$($3)))) - $(eval $3 := $(filter-out %/,$($3))) - $(foreach d,$(dirs:%/=%), - $(call save-vars,$2) - $(eval obj := $(if $1,$1/)$d) - $(eval -include $(SRC_PATH)/$d/Makefile.objs) - $(call fix-paths,$(if $1,$1/)$d/,$d/,$2) - $(call load-vars,$2,$3) - $(call unnest-var-recursive,$1,$2,$3)) -endef - -# unnest-vars -# Usage: $(call unnest-vars, obj_prefix, vars) -# -# @obj_prefix: object path prefix, can be empty, or '..', etc. Don't include -# ending '/'. -# -# @vars: the list of variable names to unnest. -# -# This macro will scan subdirectories's Makefile.objs, include them, to build -# up each variable listed in @vars. -# -# Per object and per module cflags and libs are saved with relative path fixed -# as well, those variables include -libs, -cflags and -objs. Items in -objs are -# also fixed to relative path against SRC_PATH plus the prefix @obj_prefix. -# -# All nested variables postfixed by -m in names are treated as DSO variables, -# and will be built as modules, if enabled. -# -# A simple example of the unnest: -# -# obj_prefix = .. -# vars = hot cold -# hot = fire.o sun.o season/ -# cold = snow.o water/ season/ -# -# Unnest through a faked source directory structure: -# -# SRC_PATH -# ├── water -# │ └── Makefile.objs──────────────────┐ -# │ │ hot += steam.o │ -# │ │ cold += ice.mo │ -# │ │ ice.mo-libs := -licemaker │ -# │ │ ice.mo-objs := ice1.o ice2.o │ -# │ └──────────────────────────────┘ -# │ -# └── season -# └── Makefile.objs──────┐ -# │ hot += summer.o │ -# │ cold += winter.o │ -# └──────────────────┘ -# -# In the end, the result will be: -# -# hot = ../fire.o ../sun.o ../season/summer.o -# cold = ../snow.o ../water/ice.mo ../season/winter.o -# ../water/ice.mo-libs = -licemaker -# ../water/ice.mo-objs = ../water/ice1.o ../water/ice2.o -# -# Note that 'hot' didn't include 'water/' in the input, so 'steam.o' is not -# included. -# -define unnest-vars - # In the case of target build (i.e. $1 == ..), fix path for top level - # Makefile.objs objects - $(if $1,$(call fix-paths,$1/,,$2)) - - # Descend and include every subdir Makefile.objs - $(foreach v, $2, - $(call unnest-var-recursive,$1,$2,$v) - # Pass the .mo-cflags and .mo-libs along to its member objects - $(foreach o, $(filter %.mo,$($v)), - $(foreach p,$($o-objs), - $(if $($o-cflags), $(eval $p-cflags += $($o-cflags))) - $(if $($o-libs), $(eval $p-libs += $($o-libs)))))) - - # For all %.mo objects that are directly added into -y, just expand them - $(foreach v,$(filter %-y,$2), - $(eval $v := $(foreach o,$($v),$(if $($o-objs),$($o-objs),$o)))) - - $(foreach v,$(filter %-m,$2), - # All .o found in *-m variables are single object modules, create .mo - # for them - $(foreach o,$(filter %.o,$($v)), - $(eval $(o:%.o=%.mo)-objs := $o)) - # Now unify .o in -m variable to .mo - $(eval $v := $($v:%.o=%.mo)) - $(eval modules-m += $($v)) - - # For module build, build shared libraries during "make modules" - # For non-module build, add -m to -y - $(if $(CONFIG_MODULES), - $(foreach o,$($v), - $(eval $($o-objs): CFLAGS += $(DSO_OBJ_CFLAGS)) - $(eval $o: $($o-objs))) - $(eval $(patsubst %-m,%-y,$v) += $($v)) - $(eval modules: $($v:%.mo=%$(DSOSUF))), - $(eval $(patsubst %-m,%-y,$v) += $(call expand-objs, $($v))))) - - # Post-process all the unnested vars - $(foreach v,$2, - $(foreach o, $(filter %.mo,$($v)), - # Find all the .mo objects in variables and add dependency rules - # according to .mo-objs. Report error if not set - $(if $($o-objs), - $(eval $(o:%.mo=%$(DSOSUF)): module-common.o $($o-objs)))) - $(shell mkdir -p ./ $(sort $(dir $($v)))) - # Include all the .d files - $(eval -include $(patsubst %.o,%.d,$(patsubst %.mo,%.d,$(filter %.o,$($v))))) - $(eval $v := $(filter-out %/,$($v)))) -endef - print-%: @echo '$*=$($*)' diff --git a/scripts/create_config b/scripts/create_config index bc82661041..ec5c0b4124 100755 --- a/scripts/create_config +++ b/scripts/create_config @@ -91,6 +91,9 @@ case $line in name=${line%=*} echo "#define $name 1" ;; + HOST_DSOSUF=*) + echo "#define HOST_DSOSUF \"${line#*=}\"" + ;; HOST_*=*) # configuration name=${line%=*} value=${line#*=} @@ -123,9 +126,6 @@ case $line in value=${line#*=} echo "#define $name $value" ;; - DSOSUF=*) - echo "#define HOST_DSOSUF \"${line#*=}\"" - ;; esac done # read |