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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
dnl We define the macro GLIBC_PROVIDES to do an AC_PROVIDE for each macro
dnl which appears in configure.in before the sysdep configure scripts are run.
dnl Each sysdep configure.in does GLIBC_PROVIDES first, to avoid any
dnl AC_REQUIREs or AC_BEFOREs duplicating their code.
dnl
define(AC_FD_MSG,6)dnl Autoconf lossage.
define(AC_FD_CC,5)dnl Autoconf lossage.
AC_DEFUN([GLIBC_PROVIDES], [dnl
AC_PROVIDE([AC_PROG_INSTALL])dnl
AC_PROVIDE([AC_PROG_RANLIB])dnl
AC_PROVIDE([AC_PROG_CC])dnl
AC_PROVIDE([AC_PROG_CPP])dnl
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
])dnl
dnl
dnl Check for a symbol
dnl
AC_DEFUN(AC_CHECK_SYMBOL, [dnl
AC_MSG_CHECKING(for $1)
AC_CACHE_VAL(ac_cv_check_symbol_$1, [dnl
AC_TRY_LINK(,
changequote(,)dnl
extern char *$1[]; puts(*$1);,
changequote([,])dnl
ac_cv_check_symbol_$1=yes, ac_cv_check_symbol_$1=no)])
if test "$ac_cv_check_symbol_$1" = yes; then
changequote(,)dnl
ac_tr_symbol=`echo $1 | tr '[a-z]' '[A-Z]'`
changequote([,])dnl
AC_DEFINE_UNQUOTED(HAVE_${ac_tr_symbol})
fi
AC_MSG_RESULT($ac_cv_check_symbol_$1)])dnl
dnl
dnl Locate a program and check that its version is acceptable.
dnl AC_PROG_CHECK_VER(var, namelist, version-switch,
dnl [version-extract-regexp], version-glob, fatal)
AC_DEFUN(AC_CHECK_PROG_VER,
[# Prepare to iterate over the program-name list.
set dummy $2; shift
AC_MSG_CHECKING([for [$]1])
AC_CACHE_VAL(ac_cv_prog_$1, [dnl
if test -n "[$]$1"; then
ac_cv_prog_$1="[$]$1" # Let the user override the test.
else
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_word; do
for ac_dir in $PATH; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/$ac_word; then
ac_cv_prog_$1="$ac_word"
break
fi
done
test -n "$ac_cv_prog_$1" && break
done
IFS="$ac_save_ifs"
fi])dnl
if test -z "$ac_cv_prog_$1"; then
AC_MSG_RESULT(no)
$1=:
ac_verc_fail=t; ifelse([$6],,,[ac_verc_fatal=$6])
else
# Found it, now check the version.
ac_word=$ac_cv_prog_$1
dnl Do this by hand to avoid "(cached) (cached)".
if test "[$]{ac_cv_prog_$1_ver+set}" != set; then
changequote(<<,>>)dnl
ac_cv_prog_$1_ver=`$ac_word $3 2>&1 ifelse(<<$4>>,,,<<| sed -n 's/^.*$4.*$/\1/p'>>)`
fi
if test -n "$ac_cv_prog_$1_ver"; then
case $ac_cv_prog_$1_ver in
<<$5>>) ac_vers_ok=", ok"; $1=$ac_cv_prog_$1;;
changequote([,])dnl
*) ac_vers_ok=", bad"; $1=:
ac_verc_fail=t; ifelse([$6],,,[ac_verc_fatal=$6]);;
esac
else
ac_vers_ok="v. ?.??, bad"; $1=:
ac_verc_fail=t; ifelse([$6],,,[ac_verc_fatal=$6])
fi
AC_MSG_RESULT($ac_word $ac_cv_prog_$1_ver$ac_vers_ok)
fi
AC_SUBST($1)dnl
])
dnl These modifications are to allow for an empty cross compiler tree.
dnl In the situation that cross-linking is impossible, the variable
dnl `cross_linkable' will be substituted with "yes".
dnl The vercheck macros are expected to have been called already.
AC_DEFUN(AC_PROG_CC_LOCAL,
[AC_BEFORE([$0], [AC_PROG_CPP])dnl
AC_PROG_CC_WORKS_LOCAL
AC_PROG_CC_GNU
if test $ac_cv_prog_gcc != yes; then
AC_MSG_ERROR([GNU libc must be compiled using GNU CC])
fi
])
AC_DEFUN(AC_PROG_CC_WORKS_LOCAL,
[AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) works])
AC_CACHE_VAL(ac_cv_prog_cc_works,
[AC_LANG_SAVE
AC_LANG_C
AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross)
AC_LANG_RESTORE])
AC_MSG_RESULT($ac_cv_prog_cc_works)
if test $ac_cv_prog_cc_works = no; then
cross_linkable=no
ac_cv_prog_cc_cross=yes
dnl AC_MSG_ERROR([installation or configuration problem: C compiler cannot create executables.])
else
cross_linkable=yes
fi
AC_CACHE_CHECK(
[whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler],
ac_cv_prog_cc_cross, [:])
AC_SUBST(cross_linkable)
cross_compiling=$ac_cv_prog_cc_cross
])
AC_DEFUN(LIBC_PROG_FOO_GNU,
[# Most GNU programs take a -v and spit out some text including
# the word 'GNU'. Some try to read stdin, so give them /dev/null.
if $1 -v </dev/null 2>&1 | grep GNU > /dev/null 2>&1; then
$2
else
$3
fi])
AC_DEFUN(LIBC_PROG_BINUTILS,
[# Was a --with-binutils option given?
if test -n "$path_binutils"; then
# Make absolute; ensure a single trailing slash.
path_binutils=`(cd $path_binutils; pwd) | sed 's%/*$%/%'`
CC="$CC -B$path_binutils"
fi
AS=`$CC -print-file-name=as`
LD=`$CC -print-file-name=ld`
# Determine whether we are using GNU binutils.
AC_CACHE_CHECK(whether $AS is GNU as, libc_cv_prog_as_gnu,
[LIBC_PROG_FOO_GNU($AS, libc_cv_prog_as_gnu=yes, libc_cv_prog_as_gnu=no)])
rm -f a.out
gnu_as=$libc_cv_prog_as_gnu
AC_CACHE_CHECK(whether $LD is GNU ld, libc_cv_prog_ld_gnu,
[LIBC_PROG_FOO_GNU($LD, libc_cv_prog_ld_gnu=yes, libc_cv_prog_ld_gnu=no)])
gnu_ld=$libc_cv_prog_ld_gnu
])
|
