Blame project/config/cfgdefs.sh

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# in projects where [ $mb_use_custom_cfgdefs = yes ],
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# cfgdefs.sh is invoked from within ./configure via
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# . $mb_project_dir/project/cfgdefs.sh
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# a successful return from cfgdefs.sh will be followed
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# by a second invocation of the config_copy() function,
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# reflecting any changes to common config variables
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# made by cfgdefs.sh.
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# finally, cfgdefs.sh may update the contents of the
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# config-time generated cfgdefs.mk.
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# sofort's config test framework
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. "$mb_project_dir/sofort/cfgtest/cfgtest.sh"
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for arg ; do
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	case "$arg" in
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		*)
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			error_msg ${arg#}: "unsupported config argument."
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			exit 2
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	esac
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done
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cfgdefs_bootstrap()
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{
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	cfgdefs_bootstrap_done=${cfgdefs_bootstrap_done:-}
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	if [ _$cfgdefs_bootstrap_done = _yes ]; then
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		return 0
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	fi
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	cfgdefs_objs=
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	cfgdefs_utilsrc='make.c'
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	cfgdefs_sources="arch.c buf.c compat.c cond.c dir.c enum.c for.c hash.c job.c"
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	cfgdefs_sources="$cfgdefs_sources lst.c main.c make_malloc.c meta.c metachar.c parse.c"
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	cfgdefs_sources="$cfgdefs_sources str.c suff.c targ.c trace.c util.c var.c"
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	cfgdefs_cflags=
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	cfgdefs_cflags="$cfgdefs_cflags -I${mb_source_dir}/src/internal"
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	cfgdefs_cflags="$cfgdefs_cflags -D_PATH_DEFSYSPATH=\"${mb_source_dir}/mk\""
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	cfgdefs_cflags="$cfgdefs_cflags $cfgdefs_added_defs"
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	cfgtest_native_section
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	if cfgtest_compiler_switch -std=c99; then
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		cfgdefs_cflags="$cfgdefs_cflags -std=c99"
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	fi
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	cfgdefs_make="$mb_pwd/bootstrap/make"
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	mkdir -p "$mb_pwd/bootstrap"
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	output_section_break
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	output_script_status 'bootstrapping' './bootstrap/make'
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	for src in $cfgdefs_utilsrc; do
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		obj=${src%%.c}.o
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		cfgdefs_objs="$cfgdefs_objs $mb_pwd/bootstrap/${obj}"
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		output_step_prolog 'compiling' "./bootstrap/${obj}"
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		printf '\n$ %s %s\n' "$mb_native_cc $cfgdefs_cflags" '\' >&3
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		printf '\t-c %s %s\n' "$mb_source_dir/src/${src}" '\'    >&3
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		printf '\t-o %s %s\n\n\n' "$mb_pwd/bootstrap/${obj}"     >&3
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		"$mb_native_cc" $mb_native_cflags $cfgdefs_cflags \
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			-c "$mb_source_dir/src/${src}"             \
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			-o "$mb_pwd/bootstrap/${obj}"               \
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			2>&3
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		output_step_epilog
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	done
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	for src in $cfgdefs_sources; do
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		obj=${src%%.c}.o
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		cfgdefs_objs="$cfgdefs_objs $mb_pwd/bootstrap/${obj}"
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		output_step_prolog 'compiling' "./bootstrap/${obj}"
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		printf '\n$ %s %s\n' "$mb_native_cc $cfgdefs_cflags" '\'    >&3
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		printf '\t-c %s %s\n' "$mb_source_dir/src/logic/${src}" '\' >&3
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		printf '\t-o %s %s\n\n\n' "$mb_pwd/bootstrap/${obj}"        >&3
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		"$mb_native_cc" $mb_native_cflags $cfgdefs_cflags \
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			-c "$mb_source_dir/src/logic/${src}"       \
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			-o "$mb_pwd/bootstrap/${obj}"               \
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			2>&3
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		output_step_epilog
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	done
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	output_step_prolog 'linking' './bootstrap/make'
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	printf '\n$ %s %s\n' "$mb_native_cc $cfgdefs_cflags" '\' >&3
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	printf '\t %s %s\n' "$mb_native_ldflags" '\'             >&3
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	printf '\t %s %s\n' "$cfgdefs_objs" '\'                  >&3
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	printf '\t-o %s %s\n\n\n' "$cfgdefs_make"                >&3
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	"$mb_native_cc" $mb_native_cflags $cfgdefs_cflags \
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		$mb_native_ldflags $cfgdefs_objs           \
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		-o "$cfgdefs_make"                          \
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		2>&3
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	output_step_epilog
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	mb_make="$cfgdefs_make"
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	cfgdefs_bootstrap_done='yes'
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	output_section_break
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}
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cfgdefs_output_custom_defs()
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{
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	cat "$mb_project_dir/project/config/cfgdefs.in" > cfgdefs.mk
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}
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cfgdefs_perform_common_tests()
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{
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	# bootstrap
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	cfgdefs_added_defs=
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	# interfaces
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	mb_cfgtest_headers='stdio.h'
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	cfgtest_interface_presence 'vsnprintf'
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	if [ $? = '0' ]; then
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		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_VSNPRINTF"
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	fi
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	mb_cfgtest_headers='string.h'
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	cfgtest_interface_presence 'strerror'
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	if [ $? = '0' ]; then
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		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_STRERROR"
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	fi
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	mb_cfgtest_headers='sys/types.h unistd.h'
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	cfgtest_interface_presence 'setpgid'
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	if [ $? = '0' ]; then
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		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_SETPGID"
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	fi
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	mb_cfgtest_headers='sys/time.h sys/resource.h'
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	cfgtest_interface_presence 'setrlimit'
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	if [ $? = '0' ]; then
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		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_SETRLIMIT"
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	fi
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	mb_cfgtest_headers='stdlib.h'
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	cfgtest_interface_presence 'setenv'
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	if [ $? = '0' ]; then
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		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_SETENV"
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	fi
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	cfgtest_newline
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}
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cfgdefs_perform_native_tests()
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{
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	# init
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	cfgtest_newline
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	cfgtest_native_section
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	# common tests
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	cfgdefs_perform_common_tests
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	# pretty cfgdefs.mk
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	cfgtest_newline
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}
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cfgdefs_perform_target_tests()
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{
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	# init
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	cfgtest_newline
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	cfgtest_host_section
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	# common tests
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	cfgdefs_perform_common_tests
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	# pretty cfgdefs.mk
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	cfgtest_newline
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}
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# cfgdefs.in --> cfgdefs.mk
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cfgdefs_output_custom_defs
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# strict: some tests might fail
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set +e
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# bootstrapping cflags
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cfgdefs_perform_native_tests
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# strict: restore mode
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set -e
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# bootstrap
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cfgdefs_bootstrap
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# strict: some tests might fail
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set +e
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# target-specific tests
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cfgdefs_perform_target_tests
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# strict: restore mode
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set -e
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# all done
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return 0