# 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

# build-time-generated cfgdefs.mk.

# cfgdefs helper functions

. "$mb_project_dir/project/config/cfghost.sh"

# no custom switches yet

for arg ; do

	case "$arg" in

		*)

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

			exit 2

	esac

done

cfgdefs_set_cfghost_flavors()

{

	cfghost_set_target_cfghost

	cfghost_set_native_cfghost

}

# cfghost

cfgdefs_set_cfghost_flavors

# system tests: target

mb_cfgdefs_cc=$(make -s -f Makefile.tmp .display-cc)

mb_cfgdefs_cflags=$(make -s -f Makefile.tmp .display-cflags)

printf '\n\n#system tests: target\n' >> $mb_pwd/cfgdefs.mk

# <stropts.h>

$mb_cfgdefs_cc $mb_cfgdefs_cflags -E -xc - \

	--include=stropts.h < /dev/null    \

	> /dev/null 2>/dev/null ||         \

		printf 'CFLAGS_CONFIG\t\t+= -DHAVE_NO_STROPTS_H\n' \

			>> $mb_pwd/cfgdefs.mk

# openssl 1.1 or newer or a compatible libressl

printf 'void * addr = &X509_NAME_ENTRY_set;'           \

	| $mb_cfgdefs_cc $mb_cfgdefs_cflags            \

		--include=openssl/x509.h -S -xc - -o - \

		> /dev/null 2>/dev/null &&             \

	printf 'CFLAGS_CONFIG\t\t+= -DOPENSSL_VERSION_1_1\n' \

		>> $mb_pwd/cfgdefs.mk

# ncurses: python refers to the internals of typedef struct _win_st WINDOW

printf 'CFLAGS_CONFIG\t\t+= -DNCURSES_INTERNALS\n' >> $mb_pwd/cfgdefs.mk

# ncurses: tinfo

mb_ncurses_libs="-lpanelw -lncursesw"

if [ $mb_disable_shared = 'yes' ]; then

	printf 'int main(void){return 0;}'          \

		| $mb_cfgdefs_cc $mb_cfgdefs_cflags \

			-ltinfo -o a.out -xc -      \

			< /dev/null 2>/dev/null     \

		&& mb_ncurses_libs="$mb_ncurses_libs -ltinfo"

else

	$mb_cfgdefs_cc $mb_cfgdefs_cflags               \

			-shared -ltinfo -o a.out -xc -  \

			< /dev/null 2>/dev/null         \

		&& mb_ncurses_libs="$mb_ncurses_libs -ltinfo"

fi

printf 'LDFLAGS_NCURSES_LIBS\t+= %s\n' "$mb_ncurses_libs" \

	>> $mb_pwd/cfgdefs.mk

# system tests: (native) pycompile

printf '\n\n#system tests: (native) pycompile\n' >> $mb_pwd/cfgdefs.mk

$mb_native_cc -E -xc -                     \

	--include=stropts.h < /dev/null    \

	> /dev/null 2>/dev/null ||         \

		printf 'PYCOMPILE_CFLAGS\t+= -DHAVE_NO_STROPTS_H\n' \

			>> $mb_pwd/cfgdefs.mk

# ncurses: tinfo

mb_ncurses_libs="-lpanelw -lncursesw"

printf 'int main(void){return 0;}'        \

	| $mb_native_cc                   \

		-ltinfo -o a.out -xc -    \

		< /dev/null 2>/dev/null   \

	&& mb_ncurses_libs="$mb_ncurses_libs -ltinfo"

printf 'PYCOMPILE_NCURSES_LIBS\t+= %s\n' "$mb_ncurses_libs" \

	>> $mb_pwd/cfgdefs.mk

# clean-up

rm -f a.out

# all done

return 0