1 |
vapier |
1.50 |
# Copyright 1999-2006 Gentoo Foundation |
2 |
vapier |
1.1 |
# Distributed under the terms of the GNU General Public License v2 |
3 |
vapier |
1.52 |
# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.51 2006/01/09 04:35:14 dostrow Exp $ |
4 |
vapier |
1.1 |
# |
5 |
vapier |
1.47 |
# Author: Toolchain Ninjas <toolchain@gentoo.org> |
6 |
vapier |
1.1 |
# |
7 |
swegener |
1.40 |
# This eclass contains (or should) functions to get common info |
8 |
vapier |
1.1 |
# about the toolchain (libc/compiler/binutils/etc...) |
9 |
|
|
|
10 |
eradicator |
1.34 |
inherit multilib |
11 |
|
|
|
12 |
vapier |
1.1 |
DESCRIPTION="Based on the ${ECLASS} eclass" |
13 |
|
|
|
14 |
|
|
tc-getPROG() { |
15 |
vapier |
1.33 |
local var=$1 |
16 |
|
|
local prog=$2 |
17 |
vapier |
1.1 |
|
18 |
vapier |
1.17 |
if [[ -n ${!var} ]] ; then |
19 |
vapier |
1.1 |
echo "${!var}" |
20 |
|
|
return 0 |
21 |
|
|
fi |
22 |
|
|
|
23 |
eradicator |
1.35 |
local search= |
24 |
|
|
[[ -n $3 ]] && search=$(type -p "$3-${prog}") |
25 |
|
|
[[ -z ${search} && -n ${CHOST} ]] && search=$(type -p "${CHOST}-${prog}") |
26 |
|
|
[[ -n ${search} ]] && prog=${search##*/} |
27 |
vapier |
1.1 |
|
28 |
vapier |
1.17 |
export ${var}=${prog} |
29 |
vapier |
1.1 |
echo "${!var}" |
30 |
|
|
} |
31 |
|
|
|
32 |
|
|
# Returns the name of the archiver |
33 |
vapier |
1.33 |
tc-getAR() { tc-getPROG AR ar "$@"; } |
34 |
vapier |
1.1 |
# Returns the name of the assembler |
35 |
vapier |
1.33 |
tc-getAS() { tc-getPROG AS as "$@"; } |
36 |
vapier |
1.1 |
# Returns the name of the C compiler |
37 |
vapier |
1.33 |
tc-getCC() { tc-getPROG CC gcc "$@"; } |
38 |
vapier |
1.1 |
# Returns the name of the C++ compiler |
39 |
vapier |
1.33 |
tc-getCXX() { tc-getPROG CXX g++ "$@"; } |
40 |
vapier |
1.1 |
# Returns the name of the linker |
41 |
vapier |
1.33 |
tc-getLD() { tc-getPROG LD ld "$@"; } |
42 |
vapier |
1.1 |
# Returns the name of the symbol/object thingy |
43 |
vapier |
1.33 |
tc-getNM() { tc-getPROG NM nm "$@"; } |
44 |
vapier |
1.1 |
# Returns the name of the archiver indexer |
45 |
vapier |
1.33 |
tc-getRANLIB() { tc-getPROG RANLIB ranlib "$@"; } |
46 |
vapier |
1.7 |
# Returns the name of the fortran compiler |
47 |
vapier |
1.33 |
tc-getF77() { tc-getPROG F77 f77 "$@"; } |
48 |
vapier |
1.8 |
# Returns the name of the java compiler |
49 |
vapier |
1.33 |
tc-getGCJ() { tc-getPROG GCJ gcj "$@"; } |
50 |
vapier |
1.1 |
|
51 |
vapier |
1.4 |
# Returns the name of the C compiler for build |
52 |
|
|
tc-getBUILD_CC() { |
53 |
vapier |
1.43 |
local v |
54 |
|
|
for v in CC_FOR_BUILD BUILD_CC HOSTCC ; do |
55 |
|
|
if [[ -n ${!v} ]] ; then |
56 |
|
|
export BUILD_CC=${!v} |
57 |
|
|
echo "${!v}" |
58 |
|
|
return 0 |
59 |
|
|
fi |
60 |
|
|
done |
61 |
vapier |
1.4 |
|
62 |
vapier |
1.9 |
local search= |
63 |
vapier |
1.17 |
if [[ -n ${CBUILD} ]] ; then |
64 |
vapier |
1.21 |
search=$(type -p ${CBUILD}-gcc) |
65 |
vapier |
1.17 |
search=${search##*/} |
66 |
vapier |
1.9 |
fi |
67 |
vapier |
1.45 |
search=${search:-gcc} |
68 |
vapier |
1.11 |
|
69 |
vapier |
1.17 |
export BUILD_CC=${search} |
70 |
vapier |
1.11 |
echo "${search}" |
71 |
vapier |
1.4 |
} |
72 |
vapier |
1.1 |
|
73 |
vapier |
1.10 |
# Quick way to export a bunch of vars at once |
74 |
|
|
tc-export() { |
75 |
|
|
local var |
76 |
|
|
for var in "$@" ; do |
77 |
vapier |
1.36 |
eval tc-get${var} > /dev/null |
78 |
vapier |
1.10 |
done |
79 |
|
|
} |
80 |
|
|
|
81 |
vapier |
1.12 |
# A simple way to see if we're using a cross-compiler ... |
82 |
|
|
tc-is-cross-compiler() { |
83 |
vapier |
1.43 |
return $([[ ${CBUILD:-${CHOST}} != ${CHOST} ]]) |
84 |
vapier |
1.12 |
} |
85 |
|
|
|
86 |
vapier |
1.1 |
|
87 |
swegener |
1.40 |
# Parse information from CBUILD/CHOST/CTARGET rather than |
88 |
vapier |
1.20 |
# use external variables from the profile. |
89 |
|
|
tc-ninja_magic_to_arch() { |
90 |
vapier |
1.21 |
ninj() { [[ ${type} == "kern" ]] && echo $1 || echo $2 ; } |
91 |
vapier |
1.19 |
|
92 |
|
|
local type=$1 |
93 |
|
|
local host=$2 |
94 |
eradicator |
1.25 |
[[ -z ${host} ]] && host=${CTARGET:-${CHOST}} |
95 |
vapier |
1.19 |
|
96 |
|
|
case ${host} in |
97 |
|
|
alpha*) echo alpha;; |
98 |
|
|
arm*) echo arm;; |
99 |
vapier |
1.52 |
bfin*) ninj bfin blackfin;; |
100 |
vapier |
1.47 |
cris*) echo cris;; |
101 |
vapier |
1.19 |
hppa*) ninj parisc hppa;; |
102 |
vapier |
1.47 |
i?86*) ninj i386 x86;; |
103 |
vapier |
1.19 |
ia64*) echo ia64;; |
104 |
vapier |
1.23 |
m68*) echo m68k;; |
105 |
vapier |
1.19 |
mips*) echo mips;; |
106 |
vapier |
1.52 |
nios2*) echo nios2;; |
107 |
|
|
nios*) echo nios;; |
108 |
vapier |
1.49 |
powerpc*) |
109 |
|
|
# Starting with linux-2.6.15, the 'ppc' and 'ppc64' trees |
110 |
|
|
# have been unified into simply 'powerpc' |
111 |
vapier |
1.50 |
if [[ $(KV_to_int ${KV}) -ge $(KV_to_int 2.6.15) ]] && [[ ${type} == "kern" ]] ; then |
112 |
vapier |
1.49 |
echo powerpc |
113 |
|
|
elif [[ ${host} == powerpc64* ]] ; then |
114 |
|
|
echo ppc64 |
115 |
dostrow |
1.51 |
elif [[ ${PROFILE_ARCH} == "ppc64" ]] ; then |
116 |
|
|
ninj ppc64 ppc |
117 |
vapier |
1.49 |
else |
118 |
|
|
echo ppc |
119 |
|
|
fi |
120 |
dostrow |
1.37 |
;; |
121 |
vapier |
1.47 |
s390*) echo s390;; |
122 |
|
|
sh64*) ninj sh64 sh;; |
123 |
|
|
sh*) echo sh;; |
124 |
vapier |
1.19 |
sparc64*) ninj sparc64 sparc;; |
125 |
vapier |
1.28 |
sparc*) [[ ${PROFILE_ARCH} == "sparc64" ]] \ |
126 |
|
|
&& ninj sparc64 sparc \ |
127 |
|
|
|| echo sparc |
128 |
|
|
;; |
129 |
vapier |
1.47 |
vax*) echo vax;; |
130 |
|
|
x86_64*) ninj x86_64 amd64;; |
131 |
vapier |
1.28 |
*) echo ${ARCH};; |
132 |
vapier |
1.19 |
esac |
133 |
|
|
} |
134 |
vapier |
1.20 |
tc-arch-kernel() { |
135 |
|
|
tc-ninja_magic_to_arch kern $@ |
136 |
vapier |
1.19 |
} |
137 |
vapier |
1.20 |
tc-arch() { |
138 |
|
|
tc-ninja_magic_to_arch portage $@ |
139 |
vapier |
1.19 |
} |
140 |
vapier |
1.20 |
tc-endian() { |
141 |
|
|
local host=$1 |
142 |
vapier |
1.29 |
[[ -z ${host} ]] && host=${CTARGET:-${CHOST}} |
143 |
vapier |
1.31 |
host=${host%%-*} |
144 |
vapier |
1.19 |
|
145 |
vapier |
1.20 |
case ${host} in |
146 |
|
|
alpha*) echo big;; |
147 |
vapier |
1.31 |
arm*b*) echo big;; |
148 |
vapier |
1.20 |
arm*) echo little;; |
149 |
vapier |
1.47 |
cris*) echo little;; |
150 |
vapier |
1.20 |
hppa*) echo big;; |
151 |
vapier |
1.47 |
i?86*) echo little;; |
152 |
vapier |
1.20 |
ia64*) echo little;; |
153 |
vapier |
1.23 |
m68*) echo big;; |
154 |
vapier |
1.31 |
mips*l*) echo little;; |
155 |
vapier |
1.20 |
mips*) echo big;; |
156 |
|
|
powerpc*) echo big;; |
157 |
|
|
s390*) echo big;; |
158 |
vapier |
1.31 |
sh*b*) echo big;; |
159 |
|
|
sh*) echo little;; |
160 |
vapier |
1.47 |
sparc*) echo big;; |
161 |
|
|
x86_64*) echo little;; |
162 |
vapier |
1.20 |
*) echo wtf;; |
163 |
|
|
esac |
164 |
|
|
} |
165 |
vapier |
1.19 |
|
166 |
vapier |
1.1 |
# Returns the version as by `$CC -dumpversion` |
167 |
|
|
gcc-fullversion() { |
168 |
|
|
echo "$($(tc-getCC) -dumpversion)" |
169 |
|
|
} |
170 |
|
|
# Returns the version, but only the <major>.<minor> |
171 |
|
|
gcc-version() { |
172 |
vapier |
1.2 |
echo "$(gcc-fullversion | cut -f1,2 -d.)" |
173 |
vapier |
1.1 |
} |
174 |
|
|
# Returns the Major version |
175 |
|
|
gcc-major-version() { |
176 |
vapier |
1.2 |
echo "$(gcc-version | cut -f1 -d.)" |
177 |
vapier |
1.1 |
} |
178 |
|
|
# Returns the Minor version |
179 |
|
|
gcc-minor-version() { |
180 |
vapier |
1.2 |
echo "$(gcc-version | cut -f2 -d.)" |
181 |
vapier |
1.1 |
} |
182 |
|
|
# Returns the Micro version |
183 |
|
|
gcc-micro-version() { |
184 |
eradicator |
1.30 |
echo "$(gcc-fullversion | cut -f3 -d. | cut -f1 -d-)" |
185 |
vapier |
1.1 |
} |
186 |
kevquinn |
1.41 |
|
187 |
|
|
# Returns requested gcc specs directive |
188 |
kevquinn |
1.46 |
# Note; later specs normally overwrite earlier ones; however if a later |
189 |
|
|
# spec starts with '+' then it appends. |
190 |
|
|
# gcc -dumpspecs is parsed first, followed by files listed by "gcc -v" |
191 |
|
|
# as "Reading <file>", in order. |
192 |
kevquinn |
1.41 |
gcc-specs-directive() { |
193 |
kevquinn |
1.46 |
local specfiles=$($(tc-getCC) -v 2>&1 | awk '$1=="Reading" {print $NF}') |
194 |
|
|
$(tc-getCC) -dumpspecs 2> /dev/null | cat - ${specfiles} | awk -v directive=$1 \ |
195 |
|
|
'BEGIN { pspec=""; spec=""; outside=1 } |
196 |
|
|
$1=="*"directive":" { pspec=spec; spec=""; outside=0; next } |
197 |
kevquinn |
1.41 |
outside || NF==0 || ( substr($1,1,1)=="*" && substr($1,length($1),1)==":" ) { outside=1; next } |
198 |
kevquinn |
1.46 |
spec=="" && substr($0,1,1)=="+" { spec=pspec " " substr($0,2); next } |
199 |
|
|
{ spec=spec $0 } |
200 |
|
|
END { print spec }' |
201 |
|
|
return 0 |
202 |
kevquinn |
1.41 |
} |
203 |
|
|
|
204 |
|
|
# Returns true if gcc sets relro |
205 |
|
|
gcc-specs-relro() { |
206 |
|
|
local directive |
207 |
|
|
directive=$(gcc-specs-directive link_command) |
208 |
|
|
return $([[ ${directive/\{!norelro:} != ${directive} ]]) |
209 |
|
|
} |
210 |
|
|
# Returns true if gcc sets now |
211 |
|
|
gcc-specs-now() { |
212 |
|
|
local directive |
213 |
|
|
directive=$(gcc-specs-directive link_command) |
214 |
|
|
return $([[ ${directive/\{!nonow:} != ${directive} ]]) |
215 |
|
|
} |
216 |
|
|
# Returns true if gcc builds PIEs |
217 |
|
|
gcc-specs-pie() { |
218 |
|
|
local directive |
219 |
|
|
directive=$(gcc-specs-directive cc1) |
220 |
|
|
return $([[ ${directive/\{!nopie:} != ${directive} ]]) |
221 |
|
|
} |
222 |
|
|
# Returns true if gcc builds with the stack protector |
223 |
|
|
gcc-specs-ssp() { |
224 |
|
|
local directive |
225 |
|
|
directive=$(gcc-specs-directive cc1) |
226 |
|
|
return $([[ ${directive/\{!fno-stack-protector:} != ${directive} ]]) |
227 |
|
|
} |
228 |
kevquinn |
1.46 |
# Returns true if gcc upgrades fstack-protector to fstack-protector-all |
229 |
|
|
gcc-specs-ssp-to-all() { |
230 |
|
|
local directive |
231 |
|
|
directive=$(gcc-specs-directive cc1) |
232 |
|
|
return $([[ ${directive/\{!fno-stack-protector-all:} != ${directive} ]]) |
233 |
|
|
} |