/[gentoo-x86]/eclass/toolchain-funcs.eclass
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Revision 1.14 - (show annotations) (download)
Tue Dec 14 05:31:32 2004 UTC (9 years, 10 months ago) by vapier
Branch: MAIN
Changes since 1.13: +2 -2 lines
err need to negate the logic

1 # Copyright 1999-2004 Gentoo Foundation
2 # Distributed under the terms of the GNU General Public License v2
3 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.13 2004/12/14 05:04:09 vapier Exp $
4 #
5 # Author: Toolchain Ninjas <ninjas@gentoo.org>
6 #
7 # This eclass contains (or should) functions to get common info
8 # about the toolchain (libc/compiler/binutils/etc...)
9
10 inherit eutils
11
12 ECLASS=toolchain-funcs
13 INHERITED="$INHERITED $ECLASS"
14
15 DESCRIPTION="Based on the ${ECLASS} eclass"
16
17 tc-getPROG() {
18 local var="$1"
19 local prog="$2"
20 local search=""
21
22 if [ -n "${!var}" ] ; then
23 echo "${!var}"
24 return 0
25 fi
26
27 if [ -n "${CTARGET}" ] ; then
28 search="$(type -p "${CTARGET}-${prog}")"
29 elif [ -n "${CHOST}" ] ; then
30 search="$(type -p "${CHOST}-${prog}")"
31 fi
32
33 if [ -n "${search}" ] ; then
34 prog="${search##*/}"
35 fi
36 export ${var}="${prog}"
37 echo "${!var}"
38 }
39
40 # Returns the name of the archiver
41 tc-getAR() { tc-getPROG AR ar; }
42 # Returns the name of the assembler
43 tc-getAS() { tc-getPROG AS as; }
44 # Returns the name of the C compiler
45 tc-getCC() { tc-getPROG CC gcc; }
46 # Returns the name of the C++ compiler
47 tc-getCXX() { tc-getPROG CXX g++; }
48 # Returns the name of the linker
49 tc-getLD() { tc-getPROG LD ld; }
50 # Returns the name of the symbol/object thingy
51 tc-getNM() { tc-getPROG NM nm; }
52 # Returns the name of the archiver indexer
53 tc-getRANLIB() { tc-getPROG RANLIB ranlib; }
54 # Returns the name of the fortran compiler
55 tc-getF77() { tc-getPROG F77 f77; }
56 # Returns the name of the java compiler
57 tc-getGCJ() { tc-getPROG GCJ gcj; }
58
59 # Returns the name of the C compiler for build
60 tc-getBUILD_CC() {
61 if [ -n "${CC_FOR_BUILD}" ] ; then
62 export BUILD_CC="${CC_FOR_BUILD}"
63 echo "${CC_FOR_BUILD}"
64 return 0
65 fi
66
67 local search=
68 if [ -n "${CBUILD}" ] ; then
69 search="$(type -p "${CBUILD}-gcc")"
70 fi
71
72 if [ -n "${search}" ] ; then
73 search="${search##*/}"
74 else
75 search="gcc"
76 fi
77
78 export BUILD_CC="${search}"
79 echo "${search}"
80 }
81
82 # Quick way to export a bunch of vars at once
83 tc-export() {
84 local var
85 for var in "$@" ; do
86 eval tc-get${var}
87 done
88 }
89
90 # A simple way to see if we're using a cross-compiler ...
91 tc-is-cross-compiler() {
92 local ret tmpfile=$(emktemp).c
93 echo 'int main(){return 0;}' > "${tmpfile}"
94 $(tc-getCC) "${tmpfile}" -o "${tmpfile}".bin
95 ! "${tmpfile}".bin &>/dev/null
96 ret=$?
97 rm -f "${tmpfile}" "${tmpfile}".bin
98 return ${ret}
99 }
100
101
102 # Returns the version as by `$CC -dumpversion`
103 gcc-fullversion() {
104 echo "$($(tc-getCC) -dumpversion)"
105 }
106 # Returns the version, but only the <major>.<minor>
107 gcc-version() {
108 echo "$(gcc-fullversion | cut -f1,2 -d.)"
109 }
110 # Returns the Major version
111 gcc-major-version() {
112 echo "$(gcc-version | cut -f1 -d.)"
113 }
114 # Returns the Minor version
115 gcc-minor-version() {
116 echo "$(gcc-version | cut -f2 -d.)"
117 }
118 # Returns the Micro version
119 gcc-micro-version() {
120 echo "$(gcc-fullversion | cut -f3 -d.)"
121 }

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