diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/features.mk | 37 | ||||
| -rw-r--r-- | scripts/utils.mk | 196 |
2 files changed, 233 insertions, 0 deletions
diff --git a/scripts/features.mk b/scripts/features.mk new file mode 100644 index 0000000..9c7f8c3 --- /dev/null +++ b/scripts/features.mk @@ -0,0 +1,37 @@ +# SPDX-License-Identifier: GPL-2.0 + +# taken from perf which was based on Linux Kbuild +# try-cc +# Usage: option = $(call try-cc, source-to-build, cc-options) +try-cc = $(shell sh -c \ + 'TMP="$(BUILD_OUTPUT)$(TMPOUT).$$$$"; \ + echo "$(1)" | \ + $(CC) -x c - $(2) -o "$$TMP" > /dev/null 2>&1 && echo y; \ + rm -f "$$TMP"') + +define SOURCE_PTRACE +#include <stdio.h> +#include <sys/ptrace.h> + +int main (void) +{ + int ret; + ret = ptrace(PTRACE_ATTACH, 0, NULL, 0); + ptrace(PTRACE_TRACEME, 0, NULL, 0); + ptrace(PTRACE_GETSIGINFO, 0, NULL, NULL); + ptrace(PTRACE_GETEVENTMSG, 0, NULL, NULL); + ptrace(PTRACE_SETOPTIONS, NULL, NULL, + PTRACE_O_TRACEFORK | + PTRACE_O_TRACEVFORK | + PTRACE_O_TRACECLONE | + PTRACE_O_TRACEEXIT); + ptrace(PTRACE_CONT, NULL, NULL, 0); + ptrace(PTRACE_DETACH, 0, NULL, NULL); + ptrace(PTRACE_SETOPTIONS, 0, NULL, + PTRACE_O_TRACEFORK | + PTRACE_O_TRACEVFORK | + PTRACE_O_TRACECLONE | + PTRACE_O_TRACEEXIT); + return ret; +} +endef diff --git a/scripts/utils.mk b/scripts/utils.mk new file mode 100644 index 0000000..4d0f8bc --- /dev/null +++ b/scripts/utils.mk @@ -0,0 +1,196 @@ +# SPDX-License-Identifier: LGPL-2.1 + +# Utils + + PWD := $(shell /bin/pwd) + GOBJ = $(notdir $(strip $@)) + BASE1 = $(notdir $(strip $1)) + BASE2 = $(notdir $(strip $2)) + BASEPWD = $(notdir $(strip $(PWD))) + + +ifeq ($(VERBOSE),1) + Q = + S = +else + Q = @ + S = -s +endif + +# Use empty print_* macros if either SILENT or VERBOSE. +ifeq ($(findstring 1,$(SILENT)$(VERBOSE)),1) + print_compile = + print_app_build = + print_fpic_compile = + print_shared_lib_compile = + print_plugin_obj_compile = + print_plugin_build = + print_install = + print_uninstall = + print_update = + print_descend = + print_clean = + print_extract = + print_sample_build = + print_sample_obj = +else + print_compile = echo ' COMPILE '$(GOBJ); + print_app_build = echo ' BUILD '$(GOBJ); + print_fpic_compile = echo ' COMPILE FPIC '$(GOBJ); + print_shared_lib_compile = echo ' COMPILE SHARED LIB '$(GOBJ); + print_plugin_obj_compile = echo ' COMPILE PLUGIN OBJ '$(GOBJ); + print_plugin_build = echo ' BUILD PLUGIN '$(GOBJ); + print_static_lib_build = echo ' BUILD STATIC LIB '$(GOBJ); + print_install = echo ' INSTALL '$1' to $(DESTDIR_SQ)$2'; + print_uninstall = echo ' UNINSTALL $(DESTDIR_SQ)$1'; + print_update = echo ' UPDATE '$(GOBJ); + print_descend = echo ' DESCEND '$(BASE1) $(BASE2); + print_clean = echo ' CLEAN '$(BASEPWD); + print_extract = echo ' EXTRACT '$(GOBJ); + print_sample_build = echo ' COMPILE SAMPLE '$(GOBJ); + print_sample_obj = echo ' COMPILE SAMPLE OBJ '$(GOBJ); +endif + +do_fpic_compile = \ + ($(print_fpic_compile) \ + $(CC) -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@ -MP -c $(CPPFLAGS) $(CFLAGS) $(EXT) -fPIC $< -o $@) + +do_compile = \ + ($(if $(GENERATE_PIC), $(do_fpic_compile), \ + $(print_compile) \ + $(CC) -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@ -MP -c $(CPPFLAGS) $(CFLAGS) $(EXT) $< -o $@)) + +do_app_build = \ + ($(print_app_build) \ + $(CC) $^ -rdynamic -o $@ $(LDFLAGS) $(CONFIG_LIBS) $(LIBS)) + +do_build_static_lib = \ + ($(print_static_lib_build) \ + if [ -f $@ ]; then \ + mv $@ $@.rm; $(RM) $@.rm; \ + fi; \ + $(AR) rcs $@ $^) + +do_compile_shared_library = \ + ($(print_shared_lib_compile) \ + $(CC) --shared $^ '-Wl,-soname,$(1),-rpath=$$ORIGIN' -o $@ $(LDFLAGS) $(LIBS)) + +do_compile_plugin_obj = \ + ($(print_plugin_obj_compile) \ + $(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $<) + +do_plugin_build = \ + ($(print_plugin_build) \ + $(CC) $(CFLAGS) $(LDFLAGS) -shared -nostartfiles -o $@ $<) + +do_compile_python_plugin_obj = \ + ($(print_plugin_obj_compile) \ + $(CC) -c $(CPPFLAGS) $(CFLAGS) $(PYTHON_DIR_SQ) $(PYTHON_INCLUDES) -fPIC -o $@ $<) + +do_python_plugin_build = \ + ($(print_plugin_build) \ + $(CC) $< -shared $(LDFLAGS) $(PYTHON_LDFLAGS) -o $@) + +do_clean = \ + ($(print_clean) \ + $(RM) $1) + +extract_example = \ + $(Q)($(print_extract) \ + cat $1 | sed -ne '/^EXAMPLE/,/FILES/ { /EXAMPLE/,+2d ; /^FILES/d ; /^--/d ; p}' > $2) + +do_sample_build = \ + $(Q)($(print_sample_build) \ + $(CC) -o $1 $2 $(CFLAGS) $(LIBTRACEFS_STATIC) $(LIBTRACEEVENT_LIBS) -lpthread) + +do_sample_obj = \ + $(Q)($(print_sample_obj) \ + $(CC) -g -Wall -c $(CFLAGS) -o $1 $2 -I../include/ $(LIBTRACEEVENT_INCLUDES)) + +ifneq ($(findstring $(MAKEFLAGS), w),w) +PRINT_DIR = --no-print-directory +else +NO_SUBDIR = : +endif + +# +# Define a callable command for descending to a new directory +# +# Call by doing: $(call descend,directory[,target]) +# +descend = \ + ($(print_descend) \ + mkdir -p $(obj)/$(BASE1); \ + $(MAKE) $(PRINT_DIR) bdir=$(obj)/$(BASE1) -C $(1) $(2)) + +descend_clean = \ + $(MAKE) $(PRINT_DIR) bdir=$(obj)/$(BASE1) -C $(1) clean + +define make_version.h + (echo '/* This file is automatically generated. Do not modify. */'; \ + echo \#define VERSION_CODE $(shell \ + expr $(VERSION) \* 256 + $(PATCHLEVEL)); \ + echo '#define EXTRAVERSION ' $(EXTRAVERSION); \ + echo '#define VERSION_STRING "'$(VERSION).$(PATCHLEVEL).$(EXTRAVERSION)'"'; \ + echo '#define FILE_VERSION '$(FILE_VERSION); \ + if [ -d $(src)/.git ]; then \ + d=`git diff`; \ + x=""; \ + if [ ! -z "$$d" ]; then x="+"; fi; \ + echo '#define VERSION_GIT "'$(shell \ + git log -1 --pretty=format:"%H" 2>/dev/null)$$x'"'; \ + else \ + echo '#define VERSION_GIT "not-a-git-repo"'; \ + fi \ + ) > $1 +endef + +define update_version.h + ($(call make_version.h, $@.tmp); \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + $(print_update) \ + mv -f $@.tmp $@; \ + fi); +endef + +define update_dir + (echo $1 > $@.tmp; \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + $(print_update) \ + mv -f $@.tmp $@; \ + fi); +endef + +define build_prefix + (echo $1 > $@.tmp; \ + if [ -r $@ ] && cmp -s $@ $@.tmp; then \ + rm -f $@.tmp; \ + else \ + $(print_update) \ + mv -f $@.tmp $@; \ + fi); +endef + +define do_install_mkdir + if [ ! -d '$(DESTDIR_SQ)$1' ]; then \ + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$1'; \ + fi +endef + +define do_install + $(print_install) \ + $(call do_install_mkdir,$2); \ + $(INSTALL) $(if $3,-m $3,) $1 '$(DESTDIR_SQ)$2' +endef + +define do_install_pkgconfig_file + if [ -n "${pkgconfig_dir}" ]; then \ + $(call do_install,$(PKG_CONFIG_FILE),$(pkgconfig_dir),644); \ + else \ + (echo Failed to locate pkg-config directory) 1>&2; \ + fi +endef |