1require gcc-multilib-config.inc
2require gcc-shared-source.inc
3#
4# Build the list of lanaguages to build.
5#
6# These can be overridden by the version specific .inc file.
7
8# gcc 3.x expects 'f77', 4.0 expects 'f95', 4.1 and 4.2 expect 'fortran'
9FORTRAN ?= ",f77"
10LANGUAGES ?= "c,c++${FORTRAN}"
11
12EXTRA_OECONF_BASE ?= ""
13EXTRA_OECONF_PATHS ?= ""
14
15GCCMULTILIB ?= "--disable-multilib"
16GCCTHREADS ?= "posix"
17
18GCCPIE ??= ""
19
20SYMVERS_CONF ?= "--enable-symvers=gnu"
21
22EXTRA_OECONF = "\
23    ${@['--enable-clocale=generic', ''][d.getVar('USE_NLS') != 'no']} \
24    --with-gnu-ld \
25    --enable-shared \
26    --enable-languages=${LANGUAGES} \
27    --enable-threads=${GCCTHREADS} \
28    ${GCCMULTILIB} \
29    ${GCCPIE} \
30    --enable-c99 \
31    --enable-long-long \
32    ${SYMVERS_CONF} \
33    --enable-libstdcxx-pch \
34    --program-prefix=${TARGET_PREFIX} \
35    --without-local-prefix \
36    --disable-install-libiberty \
37    ${EXTRA_OECONF_BASE} \
38    ${EXTRA_OECONF_GCC_FLOAT} \
39    ${EXTRA_OECONF_PATHS} \
40    ${@get_gcc_mips_plt_setting(bb, d)} \
41    ${@get_gcc_ppc_plt_settings(bb, d)} \
42    ${@get_gcc_multiarch_setting(bb, d)} \
43"
44
45# glibc version is a minimum controlling whether features are enabled.
46# Doesn't need to track glibc exactly
47EXTRA_OECONF:append:libc-glibc = " --with-glibc-version=2.28 "
48
49# Set this here since GCC configure won't auto-detect and enable
50# initfini-arry when cross compiling.
51EXTRA_OECONF:append = " --enable-initfini-array"
52
53export gcc_cv_collect2_libs = 'none required'
54# We need to set gcc_cv_collect2_libs else there is cross-compilation badness
55# in the config.log files (which might not get generated until do_compile
56# hence being missed by the insane do_configure check).
57
58EXTRA_OECONF:append:linux = " --enable-__cxa_atexit"
59
60EXTRA_OECONF:append:mips64 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
61EXTRA_OECONF:append:mips64el = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
62EXTRA_OECONF:append:mips64n32 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
63EXTRA_OECONF:append:mips64eln32 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
64EXTRA_OECONF:append:mipsisa32r6el = " --with-abi=32 --with-arch=mips32r6"
65EXTRA_OECONF:append:mipsisa32r6 = " --with-abi=32 --with-arch=mips32r6"
66EXTRA_OECONF:append:mipsisa64r6el = " --with-abi=64 --with-arch-64=mips64r6"
67EXTRA_OECONF:append:mipsisa64r6 = " --with-abi=64 --with-arch-64=mips64r6"
68
69EXTRA_OECONF_GCC_FLOAT ??= ""
70CPPFLAGS = ""
71
72SYSTEMHEADERS = "${target_includedir}"
73SYSTEMLIBS = "${target_base_libdir}/"
74SYSTEMLIBS1 = "${target_libdir}/"
75
76do_configure:prepend () {
77	# teach gcc to find correct target includedir when checking libc ssp support
78	mkdir -p ${B}/gcc
79	echo "NATIVE_SYSTEM_HEADER_DIR = ${SYSTEMHEADERS}" > ${B}/gcc/t-oe
80	cat ${S}/gcc/defaults.h | grep -v "\#endif.*GCC_DEFAULTS_H" > ${B}/gcc/defaults.h.new
81	cat >>${B}/gcc/defaults.h.new <<_EOF
82#define NATIVE_SYSTEM_HEADER_DIR "${SYSTEMHEADERS}"
83#define STANDARD_STARTFILE_PREFIX_1 "${SYSTEMLIBS}"
84#define STANDARD_STARTFILE_PREFIX_2 "${SYSTEMLIBS1}"
85#define SYSTEMLIBS_DIR "${SYSTEMLIBS}"
86#endif /* ! GCC_DEFAULTS_H */
87_EOF
88	mv ${B}/gcc/defaults.h.new ${B}/gcc/defaults.h
89}
90
91do_configure () {
92	# Setup these vars for cross building only
93	# ... because foo_FOR_TARGET apparently gets misinterpreted inside the
94	# gcc build stuff when the build is producing a cross compiler - i.e.
95	# when the 'current' target is the 'host' system, and the host is not
96	# the target (because the build is actually making a cross compiler!)
97	if [ "${BUILD_SYS}" != "${HOST_SYS}" ]; then
98		export CC_FOR_TARGET="${CC}"
99		export GCC_FOR_TARGET="${CC}"
100		export CXX_FOR_TARGET="${CXX}"
101		export AS_FOR_TARGET="${HOST_PREFIX}as"
102		export LD_FOR_TARGET="${HOST_PREFIX}ld"
103		export NM_FOR_TARGET="${HOST_PREFIX}nm"
104		export AR_FOR_TARGET="${HOST_PREFIX}ar"
105		export GFORTRAN_FOR_TARGET="gfortran"
106		export RANLIB_FOR_TARGET="${HOST_PREFIX}ranlib"
107	fi
108	export CC_FOR_BUILD="${BUILD_CC}"
109	export CXX_FOR_BUILD="${BUILD_CXX}"
110	export CFLAGS_FOR_BUILD="${BUILD_CFLAGS}"
111	export CPPFLAGS_FOR_BUILD="${BUILD_CPPFLAGS}"
112	export CXXFLAGS_FOR_BUILD="${BUILD_CXXFLAGS}"
113	export LDFLAGS_FOR_BUILD="${BUILD_LDFLAGS}"
114	export CFLAGS_FOR_TARGET="${TARGET_CFLAGS}"
115	export CPPFLAGS_FOR_TARGET="${TARGET_CPPFLAGS}"
116	export CXXFLAGS_FOR_TARGET="${TARGET_CXXFLAGS}"
117	export LDFLAGS_FOR_TARGET="${TARGET_LDFLAGS}"
118
119
120	oe_runconf
121}
122
123