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
|
dnl Process this with autoconf to create configure
AC_INIT([zlib], [1.1.4])
AC_CONFIG_SRCDIR([zlib.h])
if test -n "${with_target_subdir}"; then
AM_ENABLE_MULTILIB(, ..)
fi
AC_CANONICAL_SYSTEM
# This works around an automake problem.
mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs"
AC_SUBST(mkinstalldirs)
AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE
dnl We use these options to decide which functions to include.
AC_ARG_WITH(target-subdir,
[ --with-target-subdir=SUBDIR
configuring in a subdirectory])
if test -z "$with_target_subdir" || test "$with_target_subdir" = "."; then
COMPPATH=.
else
COMPPATH=..
fi
AC_SUBST(COMPPATH)
AC_ARG_WITH(cross-host,
[ --with-cross-host=HOST configuring with a cross compiler])
dnl Default to --enable-multilib
AC_ARG_ENABLE(multilib,
[ --enable-multilib build many library versions (default)],
[case "${enableval}" in
yes) multilib=yes ;;
no) multilib=no ;;
*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
esac], [test -z "$with_target_subdir" && multilib=no || multilib=yes])dnl
AC_ARG_WITH(system-zlib,
[ --with-system-zlib use installed libz])
# Make sure we don't test executables when making cross-tools.
GCC_NO_EXECUTABLES
# The same as in boehm-gc and libstdc++. Have to borrow it from there.
# We must force CC to /not/ be precious variables; otherwise
# the wrong, non-multilib-adjusted value will be used in multilibs.
# As a side effect, we have to subst CFLAGS ourselves.
m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
m4_define([_AC_ARG_VAR_PRECIOUS],[])
AC_PROG_CC
m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
AC_SUBST(CFLAGS)
# Add CET specific flags if CET is enabled
GCC_CET_FLAGS(CET_FLAGS)
AC_SUBST(CET_FLAGS)
AC_PROG_LIBTOOL
# Find CPP now so that any conditional tests below won't do it and
# thereby make the resulting definitions conditional.
AC_PROG_CPP
if test -n "$with_cross_host"; then
# We are being configured with a cross compiler. AC_REPLACE_FUNCS
# may not work correctly, because the compiler may not be able to
# link executables.
# We assume newlib. This lets us hard-code the functions we know
# we'll have.
AC_DEFINE(HAVE_MEMCPY)
AC_DEFINE(HAVE_STRERROR)
else
AC_FUNC_MMAP
AC_CHECK_FUNCS(memcpy strerror)
fi
AC_CHECK_HEADERS(unistd.h)
GCC_WITH_TOOLEXECLIBDIR
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
toolexecdir='$(exec_prefix)/$(target_alias)'
case ${with_toolexeclibdir} in
no)
toolexeclibdir='$(toolexecdir)/lib'
;;
*)
toolexeclibdir=${with_toolexeclibdir}
;;
esac
else
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
toolexeclibdir='$(libdir)'
fi
if test "$GCC" = yes && $CC -print-multi-os-directory > /dev/null 2>&1; then
multiosdir=/`$CC -print-multi-os-directory`
case $multiosdir in
/.) multiosdir= ;; # Avoid trailing /.
esac
else
multiosdir=
fi
toolexeclibdir=${toolexeclibdir}${multiosdir}
AC_SUBST(toolexecdir)
AC_SUBST(toolexeclibdir)
AM_CONDITIONAL(TARGET_LIBRARY, test -n "$with_target_subdir")
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
else
multilib_arg=
fi
AC_ARG_ENABLE(host-shared,
[AS_HELP_STRING([--enable-host-shared],
[build host code as shared libraries])],
[PICFLAG=-fPIC], [PICFLAG=])
AC_SUBST(PICFLAG)
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
|
