# in projects where [ $mb_use_custom_cfgdefs = yes ],
# cfgdefs.sh is invoked from within ./configure via
# . $mb_project_dir/project/cfgdefs.sh
# a successful return from cfgdefs.sh will be followed
# by a second invocation of the config_copy() function,
# reflecting any changes to common config variables
# made by cfgdefs.sh.
# finally, cfgdefs.sh may update the contents of the
# config-time generated cfgdefs.mk.
# cfgdefs helper functions
. "$mb_project_dir/project/config/cfghost.sh"
# sofort's config test framework
. "$mb_project_dir/sofort/cfgtest/cfgtest.sh"
pycfg_pydebug=
pycfg_pymalloc=
for arg ; do
case "$arg" in
--with-pydebug )
pycfg_pydebug='d' ;;
--without-pydebug )
pycfg_pydebug= ;;
--with-pymalloc )
pycfg_pymalloc='m' ;;
--without-pymalloc )
pycfg_pymalloc= ;;
*)
error_msg ${arg#}: "unsupported config argument."
exit 2
esac
done
cfgdefs_set_python_prefix()
{
if [ -z "$mb_prefix" ]; then
mb_prefix='/.'
fi
if [ -z "$mb_exec_prefix" ]; then
mb_exec_prefix='/.'
fi
}
cfgdefs_set_cfghost_flavors()
{
cfghost_set_target_cfghost
cfghost_set_native_cfghost
}
cfgdefs_detect_python_version()
{
mb_internal_verinfo=$(mktemp)
if [ -z "$mb_internal_verinfo" ]; then
exit 2
fi
"$mb_native_cc" -E -dM "$mb_source_dir/Include/patchlevel.h" \
> "$mb_internal_verinfo"
python_major=$(grep '#define PY_MAJOR_VERSION ' "$mb_internal_verinfo" | cut -d' ' -f3)
python_minor=$(grep '#define PY_MINOR_VERSION ' "$mb_internal_verinfo" | cut -d' ' -f3)
python_micro=$(grep '#define PY_MICRO_VERSION ' "$mb_internal_verinfo" | cut -d' ' -f3)
if [ -z "$python_major" ] || [ -z "$python_minor" ] || [ -z "$python_micro" ]; then
error_msg "Could not properly parse Python's patchlevel.h"
exit 2
fi
python_ver="$python_major.$python_minor"
[ -z "$mb_package" ] && mb_package='python'"$python_ver"
[ -z "$mb_nickname" ] && mb_nickname="$mb_package"
[ -z "$mb_pkgname" ] && mb_pkgname="$mb_package"
[ -z "$mb_pkgdesc" ] && mb_pkgdesc="$mb_package"
}
cfgdefs_set_option_variables()
{
python_abifl=$pycfg_pydebug$pycfg_pymalloc
}
cfgdefs_output_options()
{
if [ -n "$pycfg_pydebug" ]; then
cfgtest_cflags_append '-DPy_DEBUG'
fi
if [ -n "$pycfg_pymalloc" ]; then
cfgtest_cflags_append '-DWITH_PYMALLOC'
fi
}
cfgdefs_output_custom_defs()
{
sed \
-e 's/@python_ver@/'"$python_ver"'/g' \
-e 's/@python_major@/'"$python_major"'/g' \
-e 's/@python_minor@/'"$python_minor"'/g' \
-e 's/@python_micro@/'"$python_micro"'/g' \
-e 's/@python_abifl@/'"$python_abifl"'/g' \
"$mb_project_dir/project/config/cfgdefs.in" \
| sed -e 's/[ \t]*$//g' \
>> "$mb_pwd/cfgdefs.mk"
}
cfgdefs_perform_common_tests()
{
# headers
cfgtest_header_absence 'stropts.h'
cfgtest_header_presence 'stdatomic.h'
cfgtest_header_presence 'endian.h'
cfgtest_header_presence 'net/if.h'
cfgtest_header_presence 'sched.h'
cfgtest_header_presence 'sys/ioctl.h'
cfgtest_header_presence 'sys/sendfile.h'
cfgtest_header_presence 'sys/syscall.h'
cfgtest_header_presence 'sys/sysmacros.h'
cfgtest_header_presence 'sys/uio.h'
cfgtest_header_presence 'sys/xattr.h'
cfgtest_header_presence 'uuid.h'
cfgtest_header_presence 'uuid/uuid.h'
# interfaces
mb_cfgtest_headers='sys/epoll.h'
cfgtest_interface_presence 'epoll_create1'
mb_cfgtest_headers='sched.h'
cfgtest_interface_presence 'sched_get_priority_max'
cfgtest_interface_presence 'sched_rr_get_interval'
cfgtest_interface_presence 'sched_setaffinity'
cfgtest_interface_presence 'sched_setparam'
cfgtest_interface_presence 'sched_setscheduler'
mb_cfgtest_headers='sys/sendfile.h'
cfgtest_interface_presence 'sendfile'
# size of system types
cfgtest_newline
cfgtest_comment 'size of system types'
cfgtest_type_size 'short'
cfgtest_type_size 'int'
cfgtest_type_size 'long'
cfgtest_type_size 'long long'
cfgtest_type_size 'float'
cfgtest_type_size 'double'
cfgtest_type_size 'long double'
cfgtest_type_size 'void *'
mb_cfgtest_headers='stdint.h'
cfgtest_type_size 'uintptr_t'
mb_cfgtest_headers='stdbool.h'
cfgtest_type_size '_Bool'
mb_cfgtest_headers='stddef.h'
cfgtest_type_size 'size_t'
cfgtest_type_size 'wchar_t'
mb_cfgtest_headers='unistd.h'
cfgtest_type_size 'pid_t'
cfgtest_type_size 'off_t'
mb_cfgtest_headers='time.h'
cfgtest_type_size 'time_t'
mb_cfgtest_headers='stdio.h'
cfgtest_type_size 'fpos_t'
mb_cfgtest_headers='pthread.h'
cfgtest_type_size 'pthread_t'
# toolchain
cfgtest_newline
cfgtest_comment 'toolchain'
# x87
mb_code_snippet=''
mb_code_snippet="$mb_code_snippet "'void fn(void)'
mb_code_snippet="$mb_code_snippet "'{__asm__ __volatile__ ("fnstcw pcw");'
mb_code_snippet="$mb_code_snippet "' __asm__ __volatile__ ("fldcw pcw");}'
if cfgtest_code_snippet_asm "$mb_code_snippet"; then
cfgtest_cflags_append '-DHAVE_GCC_ASM_FOR_X87'
fi
# x64
mb_code_snippet=''
mb_code_snippet="$mb_code_snippet "'void fn(void)'
mb_code_snippet="$mb_code_snippet "'{__asm__ __volatile__ ("callq *%rax");}'
if cfgtest_code_snippet_asm "$mb_code_snippet"; then
cfgtest_cflags_append '-DHAVE_GCC_ASM_FOR_X64'
fi
# IEEE 754: little endian / big endian
if $mb_cfgtest_cc -E -dM - < /dev/null \
| grep '__BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__' \
> /dev/null; then
cfgtest_cflags_append '-DDOUBLE_IS_LITTLE_ENDIAN_IEEE754'
elif $mb_cfgtest_cc -E -dM - < /dev/null \
| grep '__BYTE_ORDER__ __ORDER_BIG_ENDIAN__' \
> /dev/null; then
cfgtest_cflags_append '-DDOUBLE_IS_BIG_ENDIAN_IEEE754'
else
cfgtest_newline
cfgtest_comment 'cfgdefs.sh: cannot detect little/big endian,'
cfgtest_comment 'cfgdefs.sh: so defined both macros below.'
cfgtest_newline
cfgtest_cflags_append '-DDOUBLE_IS_LITTLE_ENDIAN_IEEE754'
cfgtest_cflags_append '-DDOUBLE_IS_BIG_ENDIAN_IEEE754'
fi
# getrandom: easier to simply test,
# than to test whether we need to test
# (and then test).
cfgtest_newline
cfgtest_comment 'getrandom'
mb_cfgtest_headers='sys/syscall.h'
if cfgtest_decl_presence 'SYS_getrandom'; then
cfgtest_cflags_append '-DHAVE_GETRANDOM_SYSCALL'
fi
# libintl
cfgtest_newline
cfgtest_comment 'libintl'
if cfgtest_library_presence -lintl; then
cfgtest_ldflags_append '-Wl,--as-needed -lintl -Wl,--no-as-needed'
fi
# libuuid
cfgtest_newline
cfgtest_comment 'libuuid'
if cfgtest_library_presence -luuid; then
cfgtest_ldflags_append '-Wl,--as-needed -luuid -Wl,--no-as-needed'
fi
# ncurses
cfgtest_newline
cfgtest_comment 'ncurses/ncursesw'
mb_cfgtest_headers='ncurses.h'
if [ $mb_cfgtest_cfgtype = 'target' ]; then
mb_cfgtest_makevar='CFLAGS_NCURSES'
else
mb_cfgtest_makevar='NATIVE_CFLAGS'
fi
cfgtest_unit_header_presence 'curses.h'
cfgtest_unit_header_presence 'ncurses.h'
cfgtest_unit_header_presence 'ncurses/panel.h' && mb_panel_wrapper='yes'
cfgtest_unit_header_presence 'ncursesw/panel.h' && mb_panel_wrapper='yes'
if cfgtest_unit_interface_presence 'is_term_resized'; then
cfgtest_makevar_append '-DHAVE_CURSES_IS_TERM_RESIZED'
fi
if cfgtest_unit_interface_presence 'resizeterm'; then
cfgtest_makevar_append '-DHAVE_CURSES_RESIZETERM'
fi
if cfgtest_unit_interface_presence 'resize_term'; then
cfgtest_makevar_append '-DHAVE_CURSES_RESIZE_TERM'
fi
# ncursesw
if cfgtest_unit_interface_presence 'mvwget_wch'; then
cfgtest_makevar_append '-DHAVE_NCURSESW'
fi
# ncurses: python refers to members of typedef struct _win_st WINDOW
cfgtest_makevar_append '-DNCURSES_INTERNALS'
# <panel.h>
if [ _${mb_panel_wrapper:-} = _yes ]; then
cfgtest_makevar_append '-I$(PROJECT_DIR)/wrappers'
unset mb_panel_wrapper
fi
# ncurses libs (common part)
mb_ncurses_libs='-lpanelw -lncursesw'
mb_ncurses_tinfo='-ltinfo'
if cfgtest_library_presence $mb_ncurses_tinfo; then
mb_ncurses_libs="$mb_ncurses_libs $mb_ncurses_tinfo"
fi
}
cfgdefs_perform_target_tests()
{
# init
cfgtest_target_section
# common tests
cfgdefs_perform_common_tests
# ncurses libs
mb_cfgtest_makevar='LDFLAGS_NCURSES_LIBS'
cfgtest_makevar_append $mb_ncurses_libs
mb_cfgtest_makevar='LDFLAGS_NCURSES'
cfgtest_makevar_append \
'-Wl,--as-needed $(LDFLAGS_NCURSES_LIBS)' \
'-Wl,--no-as-needed'
mb_cfgtest_makevar='LDFLAGS_NCURSES_STATIC'
cfgtest_makevar_append '$(LDFLAGS_NCURSES)'
# openssl
cfgtest_newline
cfgtest_comment 'openssl/libressl'
mb_cfgtest_headers='openssl/x509.h'
if cfgtest_interface_presence 'X509_NAME_ENTRY_set'; then
cfgtest_cflags_append '-DOPENSSL_VERSION_1_1'
fi
# tcl/tk libc
cfgtest_newline
cfgtest_comment 'tcl/tk'
mb_tcltk_libs=
for mb_tcltk_ver in 8.9 8.8 8.7 8.6 8.5; do
if [ -z "$mb_tcltk_libs" ]; then
mb_tcltk_libs="-ltk$mb_tcltk_ver -ltcl$mb_tcltk_ver"
cfgtest_library_presence $mb_tcltk_libs \
|| mb_tcltk_libs=''
fi
done
mb_cfgtest_makevar='LDFLAGS_TCLTK_LIBS'
cfgtest_makevar_append "$mb_tcltk_libs"
mb_cfgtest_makevar='CFLAGS_TCLTK'
cfgtest_makevar_append '-DWITH_APPINIT'
mb_cfgtest_makevar='LDFLAGS_TCLTK'
cfgtest_makevar_append '$(LDFLAGS_TCLTK_LIBS)'
# sqlite
cfgtest_newline
cfgtest_comment 'sqlite3'
mb_cfgtest_makevar='CFLAGS_SQLITE'
cfgtest_makevar_append '-DMODULE_NAME=\"sqlite3\"'
cfgtest_makevar_append '-DSQLITE_OMIT_LOAD_EXTENSION'
mb_cfgtest_makevar='LDFLAGS_SQLITE'
cfgtest_makevar_append '-lsqlite3'
mb_cfgtest_makevar='LDFLAGS_SQLITE_STATIC'
cfgtest_makevar_append '$(LDFLAGS_SQLITE)'
# expat
cfgtest_newline
cfgtest_comment 'expat'
mb_cfgtest_makevar='CFLAGS_EXPAT'
cfgtest_makevar_append '-DXML_DEV_URANDOM'
mb_cfgtest_makevar='LDFLAGS_EXPAT'
cfgtest_makevar_append '-lexpat'
mb_cfgtest_makevar='LDFLAGS_EXPAT_STATIC'
cfgtest_makevar_append '$(LDFLAGS_EXPAT)'
# ndbm
cfgtest_newline
cfgtest_comment 'ndbm'
mb_cfgtest_makevar='CFLAGS_DBM'
cfgtest_unit_header_presence 'ndbm.h'
mb_cfgtest_makevar='LDFLAGS_DBM'
cfgtest_makevar_append '-lgdbm_compat'
mb_cfgtest_makevar='LDFLAGS_DBM_STATIC'
cfgtest_makevar_append '$(LDFLAGS_DBM)'
# static python library switches
cfgtest_newline
cfgtest_comment 'static python library switches'
mb_cfgtest_makevar='LDFLAGS_PYEXT_STATIC'
cfgtest_makevar_append '-Wl,--as-needed -lssl -lcrypto -Wl,--no-as-needed'
cfgtest_makevar_append '-Wl,--as-needed -luuid -Wl,--no-as-needed'
cfgtest_makevar_append '-Wl,--as-needed -lbz2 -Wl,--no-as-needed'
cfgtest_makevar_append '-Wl,--as-needed -lffi -Wl,--no-as-needed'
cfgtest_makevar_append '-Wl,--as-needed -lgdbm -Wl,--no-as-needed'
cfgtest_makevar_append '-Wl,--as-needed -lreadline -Wl,--no-as-needed'
cfgtest_makevar_append '-Wl,--as-needed -lintl -Wl,--no-as-needed'
cfgtest_makevar_append '-Wl,--as-needed -lz -Wl,--no-as-needed'
[ $python_major = '3' ] && \
cfgtest_makevar_append '-Wl,--as-needed -llzma -Wl,--no-as-needed'
# options
cfgtest_newline
cfgtest_comment 'target options'
cfgdefs_output_options
# pretty cfgdefs.mk
cfgtest_newline
}
cfgdefs_perform_native_tests()
{
# init
cfgtest_native_section
# common tests
cfgdefs_perform_common_tests
# ncurses libs
cfgtest_ldflags_append $mb_ncurses_libs
# options
cfgtest_newline
cfgtest_comment '(native) pycompile options'
cfgdefs_output_options
# pretty cfgdefs.mk
cfgtest_newline
}
# prefix, exec_prefix
cfgdefs_set_python_prefix
# cfghost
cfgdefs_set_cfghost_flavors
# python version info
cfgdefs_detect_python_version
# python-specific configuration
cfgdefs_set_option_variables
# cfgdefs.in --> cfgdefs.mk
cfgdefs_output_custom_defs
# strict: some tests might fail
set +e
# target-specific tests
cfgdefs_perform_target_tests
# native system tests
cfgdefs_perform_native_tests
# strict: restore mode
set -e
# all done
return 0