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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
|
# Configure script for libgcobol.
# Adapted by James K. Lowden from configure script for libalg68.
# This file is part of GCC.
# GCC is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
# GCC is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3. If not see
# <http://www.gnu.org/licenses/>.
# Configure looks for the existence of this file to auto-config each language.
# We define several parameters used by configure:
# Process this file with autoreconf to produce a configure script.
AC_INIT(package-unused, version-unused,,libgcobol)
AC_CONFIG_SRCDIR(Makefile.am)
AC_CONFIG_HEADER(config.h)
# Do not delete or change the following two lines. For why, see
# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
AC_CANONICAL_SYSTEM
ACX_NONCANONICAL_TARGET
AM_ENABLE_MULTILIB(, ..)
target_alias=${target_alias-$host_alias}
AC_SUBST(target_alias)
AM_MAINTAINER_MODE
AM_INIT_AUTOMAKE([1.15.1 no-define foreign no-dist -Wall -Wno-portability])
AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
AC_ARG_ENABLE(version-specific-runtime-libs,
AS_HELP_STRING([--enable-version-specific-runtime-libs],
[Specify that runtime libraries should be installed in a compiler-specific directory]),
[case "$enableval" in
yes) version_specific_libs=yes ;;
no) version_specific_libs=no ;;
*) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
esac],
[version_specific_libs=no])
AC_MSG_RESULT($version_specific_libs)
# This works around the fact that libtool configuration may change LD
# for this particular configuration, but some shells, instead of
# keeping the changes in LD private, export them just because LD is
# exported.
ORIGINAL_LD_FOR_MULTILIBS=$LD
GCC_NO_EXECUTABLES
AC_USE_SYSTEM_EXTENSIONS
# Find other programs we need.
AC_CHECK_TOOL(AR, ar)
AC_CHECK_TOOL(NM, nm)
AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error)
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AM_PROG_LIBTOOL
LT_INIT
AC_LIBTOOL_DLOPEN
LT_LIB_M
AM_CONDITIONAL([ENABLE_DARWIN_AT_RPATH], [test x$enable_darwin_at_rpath = xyes])
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
# This library is written in C++ and needs to link with the C++ runtime.
AC_LANG([C++])
# We must force CC/CXX 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_CXX
m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
AC_SUBST(CXXFLAGS)
GCC_WITH_TOOLEXECLIBDIR
# Calculate toolexeclibdir
# Also toolexecdir, though it's only used in toolexeclibdir
case ${version_specific_libs} in
yes)
# Need the gcc compiler version to know where to install libraries
# and header files if --enable-version-specific-runtime-libs option
# is selected.
toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
;;
no)
if test -n "$with_cross_host" &&
test x"$with_cross_host" != x"no"; then
# Install a library built with a cross compiler in tooldir, not libdir.
toolexecdir='$(exec_prefix)/$(target_noncanonical)'
toolexeclibdir='$(toolexecdir)/lib'
else
toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
toolexeclibdir='$(libdir)'
fi
multi_os_directory=`$CC -print-multi-os-directory`
case $multi_os_directory in
.) ;; # Avoid trailing /.
*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
esac
;;
esac
AC_SUBST(toolexecdir)
AC_SUBST(toolexeclibdir)
# For iconv support.
AM_ICONV
# Checks for header files.
AC_CHECK_HEADERS(malloc.h)
AC_CHECK_SIZEOF([void *])
# Get target configury.
unset LIBGCOBOL_SUPPORTED
. ${srcdir}/configure.tgt
# -----------------
# __int128 support
# -----------------
AC_CACHE_CHECK([whether __int128 is supported], [libgcobol_cv_have_int128],
[GCC_TRY_COMPILE_OR_LINK([
__int128 foo (__int128 )
{
__int128 aaa;
return (__int128) aaa;
}
__int128 bar (__int128 )
{
__int128 aaa;
return (__int128) aaa;
}
],[
foo (1);
bar (1);
],[
libgcobol_cv_have_int128=yes
],[
libgcobol_cv_have_int128=no
])])
AM_CONDITIONAL(BUILD_LIBGCOBOL, [test "x$LIBGCOBOL_SUPPORTED" = xyes && test "x$libgcobol_cv_have_int128" = xyes])
# Check if functions are available in libc before adding extra libs.
AC_SEARCH_LIBS([malloc], [c])
AC_SEARCH_LIBS([clock_gettime], [c rt])
# libgcobol soname version
LIBGCOBOL_VERSION=1:0:0
AC_SUBST(LIBGCOBOL_VERSION)
## added, currently unused.
# VERSION_SUFFIX=$(echo $LIBGCOBOL_VERSION | tr ':' '.' )
# AC_SUBST(VERSION_SUFFIX)
## end added
extra_ldflags_libgcobol=
case $host in
*-*-darwin*)
extra_ldflags_libgcobol=-Wl,-U,___cobol_main ;;
*) ;;
esac
AC_SUBST(extra_ldflags_libgcobol)
AC_CHECK_HEADERS_ONCE(floatingpoint.h ieeefp.h fenv.h fptrap.h \
complex.h stdlib.h)
# These are GLIBC
AC_CHECK_FUNCS_ONCE(random_r srandom_r initstate_r setstate_r)
# Some functions we check to figure out if the libc Float128 support
# is adequate.
# These are C23.
AC_CHECK_FUNCS_ONCE(strfromf32 strfromf64)
# These are GLIBC.
AC_CHECK_FUNCS_ONCE(strtof128 strfromf128)
# We need to make sure to check libc before adding libm.
libgcobol_have_sinf128=no
AC_SEARCH_LIBS([sinf128], [c m], libgcobol_have_sinf128=yes)
libgcobol_have_cacosf128=no
AC_SEARCH_LIBS([cacosf128], [c m], libgcobol_have_cacosf128=yes)
have_iec_60559_libc_support=no
if test "x$ac_cv_func_strtof128$ac_cv_func_strfromf128" = xyesyes \
&& test "x$libgcobol_have_sinf128$libgcobol_have_cacosf128" = xyesyes; then
have_iec_60559_libc_support=yes
fi
# Check whether libquadmath should be used
AC_ARG_ENABLE(libquadmath,
AS_HELP_STRING([--disable-libquadmath],
[disable libquadmath support for libgcobol]),
ENABLE_LIBQUADMATH_SUPPORT=$enableval,
if test "x$have_iec_60559_libc_support" = xyes; then
ENABLE_LIBQUADMATH_SUPPORT=default
else
ENABLE_LIBQUADMATH_SUPPORT=yes
fi)
enable_libquadmath_support=
if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
enable_libquadmath_support=no
elif test "${ENABLE_LIBQUADMATH_SUPPORT}" = "default" ; then
enable_libquadmath_support=default
fi
LIBGCOBOL_CHECK_FLOAT128
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
else
multilib_arg=
fi
# Determine what GCC version number to use in filesystem paths.
GCC_BASE_VER
# Add dependencies for libgcobol.spec file, this might be excessive - since
# the spec file might not use all of them.
SPEC_LIBGCOBOL_DEPS="$LIBS"
AC_SUBST(SPEC_LIBGCOBOL_DEPS)
AC_CONFIG_FILES([
Makefile
libgcobol.spec
])
AC_MSG_NOTICE([libgcobol has been configured.])
AC_OUTPUT
|
