summaryrefslogtreecommitdiffstats
path: root/meta/recipes-devtools/gcc/gcc-configure-common.inc
blob: c30242d41af662d1fe991f4ce7c45ffef04c4dcf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
require gcc-multilib-config.inc
require gcc-shared-source.inc
#
# Build the list of lanaguages to build.
#
# These can be overridden by the version specific .inc file.

# Java (gcj doesn't work on all architectures)
JAVA ?= ",java"
JAVA_arm ?= ""
JAVA_armeb ?= ""
JAVA_mipsel ?= ""
JAVA_sh3 ?= ""
# gcc 3.x expects 'f77', 4.0 expects 'f95', 4.1 and 4.2 expect 'fortran'
FORTRAN ?= ",f77"
LANGUAGES ?= "c,c++${FORTRAN}${JAVA}"
# disable --enable-target-optspace for powerpc SPE
# at -Os libgcc.so.1 creates references into
# hidden symbols in libgcc.a which linker complains
# when linking shared libraries further in the build like (gnutls)

SPECIAL_ARCH_LIST = "powerpc"
OPTSPACE = '${@bb.utils.contains("SPECIAL_ARCH_LIST", "${TARGET_ARCH}", "", "--enable-target-optspace",d)}'

EXTRA_OECONF_BASE ?= ""
EXTRA_OECONF_PATHS ?= ""
EXTRA_OECONF_INITIAL ?= ""
EXTRA_OECONF_INTERMEDIATE ?= ""

GCCMULTILIB ?= "--disable-multilib"
GCCTHREADS ?= "posix"

EXTRA_OECONF = "\
    ${@['--enable-clocale=generic', ''][d.getVar('USE_NLS', True) != 'no']} \
    --with-gnu-ld \
    --enable-shared \
    --enable-languages=${LANGUAGES} \
    --enable-threads=${GCCTHREADS} \
    ${GCCMULTILIB} \
    --enable-c99 \
    --enable-long-long \
    --enable-symvers=gnu \
    --enable-libstdcxx-pch \
    --program-prefix=${TARGET_PREFIX} \
    --without-local-prefix \
    ${OPTSPACE} \
    ${EXTRA_OECONF_BASE} \
    ${EXTRA_OECONF_GCC_FLOAT} \
    ${EXTRA_OECONF_PATHS} \
    ${@get_gcc_mips_plt_setting(bb, d)} \
    ${@get_long_double_setting(bb, d)} \
    ${@get_gcc_multiarch_setting(bb, d)} \
"

export ac_cv_path_SED = 'sed'
export gcc_cv_collect2_libs = 'none required'
# We need to set gcc_cv_collect2_libs else there is cross-compilation badness
# in the config.log files (which might not get generated until do_compile
# hence being missed by the insane do_configure check).

# Build uclibc compilers without cxa_atexit support
EXTRA_OECONF_append_linux = " --enable-__cxa_atexit"
EXTRA_OECONF_append_libc-uclibc = " --enable-__cxa_atexit"

EXTRA_OECONF_append_mips64 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
EXTRA_OECONF_append_mips64el = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
EXTRA_OECONF_append_mips64n32 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"
EXTRA_OECONF_append_mips64eln32 = " --with-abi=64 --with-arch-64=mips64 --with-tune-64=mips64"

# ARMv6+ adds atomic instructions that affect the ABI in libraries built
# with TUNE_CCARGS in gcc-runtime.  Make the compiler default to a
# compatible architecture.  armv6 and armv7a cover the minimum tune
# features used in OE.
EXTRA_OECONF_append_armv6 = " --with-arch=armv6"
EXTRA_OECONF_append_armv7a = " --with-arch=armv7-a"

EXTRA_OECONF_GCC_FLOAT ??= ""
CPPFLAGS = ""

SYSTEMHEADERS = "${target_includedir}"
SYSTEMLIBS = "${target_base_libdir}/"
SYSTEMLIBS1 = "${target_libdir}/"

do_configure_prepend () {
	# teach gcc to find correct target includedir when checking libc ssp support
	mkdir -p ${B}/gcc
	echo "NATIVE_SYSTEM_HEADER_DIR = ${SYSTEMHEADERS}" > ${B}/gcc/t-oe
	cat ${S}/gcc/defaults.h | grep -v "\#endif.*GCC_DEFAULTS_H" > ${B}/gcc/defaults.h.new
	cat >>${B}/gcc/defaults.h.new <<_EOF
#define NATIVE_SYSTEM_HEADER_DIR "${SYSTEMHEADERS}"
#define STANDARD_STARTFILE_PREFIX_1 "${SYSTEMLIBS}"
#define STANDARD_STARTFILE_PREFIX_2 "${SYSTEMLIBS1}"
#define SYSTEMLIBS_DIR "${SYSTEMLIBS}"
#endif /* ! GCC_DEFAULTS_H */
_EOF
	mv ${B}/gcc/defaults.h.new ${B}/gcc/defaults.h
}

do_configure () {
	# Setup these vars for cross building only
	# ... because foo_FOR_TARGET apparently gets misinterpreted inside the
	# gcc build stuff when the build is producing a cross compiler - i.e.
	# when the 'current' target is the 'host' system, and the host is not
	# the target (because the build is actually making a cross compiler!)
	if [ "${BUILD_SYS}" != "${HOST_SYS}" ]; then
		export CC_FOR_TARGET="${CC}"
		export GCC_FOR_TARGET="${CC}"
		export CXX_FOR_TARGET="${CXX}"
		export AS_FOR_TARGET="${HOST_PREFIX}as"
		export LD_FOR_TARGET="${HOST_PREFIX}ld"
		export NM_FOR_TARGET="${HOST_PREFIX}nm"
		export AR_FOR_TARGET="${HOST_PREFIX}ar"
		export GFORTRAN_FOR_TARGET="gfortran"
		export RANLIB_FOR_TARGET="${HOST_PREFIX}ranlib"
	fi
	export CC_FOR_BUILD="${BUILD_CC}"
	export CXX_FOR_BUILD="${BUILD_CXX}"
	export CFLAGS_FOR_BUILD="${BUILD_CFLAGS}"
	export CPPFLAGS_FOR_BUILD="${BUILD_CPPFLAGS}"
	export CXXFLAGS_FOR_BUILD="${BUILD_CXXFLAGS}"
	export LDFLAGS_FOR_BUILD="${BUILD_LDFLAGS}"
	export CFLAGS_FOR_TARGET="${TARGET_CFLAGS}"
	export CPPFLAGS_FOR_TARGET="${TARGET_CPPFLAGS}"
	export CXXFLAGS_FOR_TARGET="${TARGET_CXXFLAGS}"
	export LDFLAGS_FOR_TARGET="${TARGET_LDFLAGS}"


	oe_runconf
}