# in projects where [ $mb_use_custom_cfgdefs = yes ],

# cfgdefs.sh is invoked from within ./configure via

# . $mb_project_dir/project/cfgdefs.sh

# a successful return from cfgdefs.sh will be followed

# by a second invocation of the config_copy() function,

# reflecting any changes to common config variables

# made by cfgdefs.sh.

# finally, cfgdefs.sh may update the contents of the

# config-time generated cfgdefs.mk.

# sofort's config test framework

. "$mb_project_dir/sofort/cfgtest/cfgtest.sh"

for arg ; do

	case "$arg" in

		*)

			error_msg ${arg#}: "unsupported config argument."

			exit 2

	esac

done

cfgdefs_bootstrap()

{

	cfgdefs_bootstrap_done=${cfgdefs_bootstrap_done:-}

	if [ _$cfgdefs_bootstrap_done = _yes ]; then

		return 0

	fi

	cfgdefs_objs=

	cfgdefs_utilsrc='make.c'

	cfgdefs_sources="arch.c buf.c compat.c cond.c dir.c enum.c for.c hash.c job.c"

	cfgdefs_sources="$cfgdefs_sources lst.c main.c make_malloc.c meta.c metachar.c parse.c"

	cfgdefs_sources="$cfgdefs_sources str.c suff.c targ.c trace.c util.c var.c"

	cfgdefs_cflags=

	cfgdefs_cflags="$cfgdefs_cflags -I${mb_source_dir}/src/internal"

	cfgdefs_cflags="$cfgdefs_cflags -D_PATH_DEFSYSPATH=\"${mb_source_dir}/mk\""

	cfgdefs_cflags="$cfgdefs_cflags $cfgdefs_added_defs"

	cfgtest_native_section

	if cfgtest_compiler_switch -std=c99; then

		cfgdefs_cflags="$cfgdefs_cflags -std=c99"

	fi

	cfgdefs_make="$mb_pwd/bootstrap/make"

	mkdir -p "$mb_pwd/bootstrap"

	output_section_break

	output_script_status 'bootstrapping' './bootstrap/make'

	for src in $cfgdefs_utilsrc; do

		obj=${src%%.c}.o

		cfgdefs_objs="$cfgdefs_objs $mb_pwd/bootstrap/${obj}"

		output_step_prolog 'compiling' "./bootstrap/${obj}"

		printf '\n$ %s %s\n' "$mb_native_cc $cfgdefs_cflags" '\' >&3

		printf '\t-c %s %s\n' "$mb_source_dir/src/${src}" '\'    >&3

		printf '\t-o %s %s\n\n\n' "$mb_pwd/bootstrap/${obj}"     >&3

		"$mb_native_cc" $mb_native_cflags $cfgdefs_cflags \

			-c "$mb_source_dir/src/${src}"             \

			-o "$mb_pwd/bootstrap/${obj}"               \

			2>&3

		output_step_epilog

	done

	for src in $cfgdefs_sources; do

		obj=${src%%.c}.o

		cfgdefs_objs="$cfgdefs_objs $mb_pwd/bootstrap/${obj}"

		output_step_prolog 'compiling' "./bootstrap/${obj}"

		printf '\n$ %s %s\n' "$mb_native_cc $cfgdefs_cflags" '\'    >&3

		printf '\t-c %s %s\n' "$mb_source_dir/src/logic/${src}" '\' >&3

		printf '\t-o %s %s\n\n\n' "$mb_pwd/bootstrap/${obj}"        >&3

		"$mb_native_cc" $mb_native_cflags $cfgdefs_cflags \

			-c "$mb_source_dir/src/logic/${src}"       \

			-o "$mb_pwd/bootstrap/${obj}"               \

			2>&3

		output_step_epilog

	done

	output_step_prolog 'linking' './bootstrap/make'

	printf '\n$ %s %s\n' "$mb_native_cc $cfgdefs_cflags" '\' >&3

	printf '\t %s %s\n' "$mb_native_ldflags" '\'             >&3

	printf '\t %s %s\n' "$cfgdefs_objs" '\'                  >&3

	printf '\t-o %s %s\n\n\n' "$cfgdefs_make"                >&3

	"$mb_native_cc" $mb_native_cflags $cfgdefs_cflags \

		$mb_native_ldflags $cfgdefs_objs           \

		-o "$cfgdefs_make"                          \

		2>&3

	output_step_epilog

	mb_make="$cfgdefs_make"

	cfgdefs_bootstrap_done='yes'

	output_section_break

}

cfgdefs_output_custom_defs()

{

	cat "$mb_project_dir/project/config/cfgdefs.in" > cfgdefs.mk

}

cfgdefs_perform_common_tests()

{

	# bootstrap

	cfgdefs_added_defs=

	# interfaces

	mb_cfgtest_headers='stdio.h'

	cfgtest_interface_presence 'vsnprintf'

	if [ $? = '0' ]; then

		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_VSNPRINTF"

	fi

	mb_cfgtest_headers='string.h'

	cfgtest_interface_presence 'strerror'

	if [ $? = '0' ]; then

		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_STRERROR"

	fi

	mb_cfgtest_headers='sys/types.h unistd.h'

	cfgtest_interface_presence 'setpgid'

	if [ $? = '0' ]; then

		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_SETPGID"

	fi

	mb_cfgtest_headers='sys/time.h sys/resource.h'

	cfgtest_interface_presence 'setrlimit'

	if [ $? = '0' ]; then

		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_SETRLIMIT"

	fi

	mb_cfgtest_headers='stdlib.h'

	cfgtest_interface_presence 'setenv'

	if [ $? = '0' ]; then

		cfgdefs_added_defs="$cfgdefs_added_defs -DHAVE_SETENV"

	fi

	cfgtest_newline

}

cfgdefs_perform_native_tests()

{

	# init

	cfgtest_newline

	cfgtest_native_section

	# common tests

	cfgdefs_perform_common_tests

	# pretty cfgdefs.mk

	cfgtest_newline

}

cfgdefs_perform_target_tests()

{

	# init

	cfgtest_newline

	cfgtest_host_section

	# common tests

	cfgdefs_perform_common_tests

	# pretty cfgdefs.mk

	cfgtest_newline

}

# cfgdefs.in --> cfgdefs.mk

cfgdefs_output_custom_defs

# strict: some tests might fail

set +e

# bootstrapping cflags

cfgdefs_perform_native_tests

# strict: restore mode

set -e

# bootstrap

cfgdefs_bootstrap

# strict: some tests might fail

set +e

# target-specific tests

cfgdefs_perform_target_tests

# strict: restore mode

set -e

# all done

return 0