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1 | # Process this file with autoconf to produce a configure script. |
2 | # Copyright (C) 2006-2018 Free Software Foundation, Inc. | |
3 | # | |
4 | # GCC is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
6 | # the Free Software Foundation; either version 3, or (at your option) | |
7 | # any later version. | |
8 | # | |
9 | # GCC is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License | |
15 | # along with GCC; see the file COPYING3. If not see | |
16 | # <http://www.gnu.org/licenses/>. | |
17 | ||
18 | # This requires that you have your environment set-up to use explicit | |
19 | # versions of automake and autoconf. | |
20 | # | |
21 | # export ACLOCAL=/usr/bin/aclocal-1.11 | |
22 | # export AUTOMAKE=/usr/bin/automake-1.11 | |
23 | # export AUTOM4TE=/usr/bin/autom4te2.64 | |
24 | # export AUTOCONF=/usr/bin/autoconf2.64 | |
25 | # | |
26 | # autoreconf2.64 | |
27 | # | |
28 | ||
b4c522fa IB |
29 | AC_INIT(package-unused, version-unused,, libphobos) |
30 | AC_CONFIG_SRCDIR(libdruntime/gcc/attribute.d) | |
31 | AC_CONFIG_HEADERS(config.h) | |
32 | ||
33 | AM_ENABLE_MULTILIB(, ..) | |
34 | AC_CANONICAL_SYSTEM | |
35 | ||
36 | target_alias=${target_alias-$target} | |
37 | AC_SUBST(target_alias) | |
38 | ||
39 | # 1.11.1: Require that version of automake. | |
40 | # foreign: Don't require README, INSTALL, NEWS, etc. | |
41 | # no-define: Don't define PACKAGE and VERSION. | |
42 | # no-dependencies: Don't generate automatic dependencies. | |
43 | # (because it breaks when using bootstrap-lean, since some of the | |
44 | # headers are gone at "make install" time). | |
45 | # -Wall: Issue all automake warnings. | |
46 | # -Wno-portability: Don't warn about constructs supported by GNU make. | |
47 | # (because GCC requires GNU make anyhow). | |
22e05272 JM |
48 | # -Wno-override: Overrides used in testsuite. |
49 | AM_INIT_AUTOMAKE([1.11.1 foreign no-dist no-define no-dependencies -Wall -Wno-portability -Wno-override]) | |
b4c522fa IB |
50 | |
51 | m4_rename([_AC_ARG_VAR_PRECIOUS],[glibd_PRECIOUS]) | |
52 | m4_define([_AC_ARG_VAR_PRECIOUS],[]) | |
53 | AM_PROG_AS | |
54 | AC_PROG_CC | |
55 | AC_PROG_GDC | |
56 | WITH_LOCAL_DRUNTIME([GDC_CHECK_COMPILE], []) | |
57 | ||
58 | m4_rename_force([glibd_PRECIOUS],[_AC_ARG_VAR_PRECIOUS]) | |
59 | ||
60 | AC_SUBST(CFLAGS) | |
61 | AM_MAINTAINER_MODE | |
62 | AC_PROG_RANLIB | |
63 | AC_PROG_INSTALL | |
64 | AC_PROG_MAKE_SET | |
65 | ||
66 | # This should be inherited in the recursive make, but ensure it is defined. | |
67 | test "$AR" || AR=ar | |
68 | AC_SUBST(AR) | |
69 | ||
70 | CC_FOR_BUILD=${CC_FOR_BUILD:-gcc} | |
71 | AC_SUBST(CC_FOR_BUILD) | |
72 | AC_SUBST(CFLAGS_FOR_BUILD) | |
73 | ||
74 | # Enable libtool | |
75 | LT_INIT(dlopen) | |
76 | AM_PROG_LIBTOOL | |
77 | WITH_LOCAL_DRUNTIME([LT_LANG([D])], []) | |
78 | AM_CONDITIONAL([ENABLE_SHARED], [test "$enable_shared" = "yes"]) | |
79 | AM_CONDITIONAL([ENABLE_STATIC], [test "$enable_static" = "yes"]) | |
80 | ||
81 | # libtool variables for Phobos shared and position-independent compiles. | |
82 | # | |
83 | # Use phobos_compiler_shared_flag to designate the compile-time flags for | |
84 | # creating shared objects. Default: -fversion=Shared. | |
85 | # | |
86 | # Use phobos_compiler_pic_flag to designate the compile-time flags for | |
87 | # creating position-independent objects. This varies with the target | |
88 | # hardware and operating system, but is often: -fPIC. | |
89 | # | |
90 | # The distinction between pic and shared compilation flags is not present in | |
91 | # libtool, and so we make it here. How it is handled is that in shared | |
92 | # compilations the `lt_prog_compiler_pic_D' variable is used to instead | |
93 | # ensure that conditional compilation of shared runtime code is compiled in. | |
94 | # The original PIC flags are then used in the compilation of every object. | |
95 | # | |
96 | # Why are objects destined for libgphobos.a compiled with -fPIC? | |
97 | # Because -fPIC is not harmful to use for objects destined for static | |
98 | # libraries. In addition, using -fPIC will allow the use of static | |
99 | # libgphobos.a in the creation of other D shared libraries. | |
100 | if test "$enable_shared" = yes; then | |
101 | phobos_compiler_pic_flag="$lt_prog_compiler_pic_D" | |
102 | phobos_compiler_shared_flag="-fversion=Shared" | |
103 | else | |
104 | phobos_compiler_pic_flag= | |
105 | phobos_compiler_shared_flag= | |
106 | fi | |
107 | AC_SUBST(phobos_compiler_pic_flag) | |
108 | AC_SUBST(phobos_compiler_shared_flag) | |
109 | ||
110 | # Override the libtool's pic_flag and pic_mode. | |
111 | # Do this step after AM_PROG_LIBTOOL, but before AC_OUTPUT. | |
112 | # NB: this impacts --with-pic and --without-pic. | |
113 | lt_prog_compiler_pic_D="$phobos_compiler_shared_flag" | |
114 | pic_mode='default' | |
115 | ||
116 | # Determine what GCC version number to use in filesystem paths. | |
117 | GCC_BASE_VER | |
118 | ||
119 | # libphobos/libdruntime specific options and feature detection | |
120 | DRUNTIME_CONFIGURE | |
121 | DRUNTIME_MULTILIB | |
122 | DRUNTIME_WERROR | |
123 | DRUNTIME_GC | |
124 | DRUNTIME_OS_UNIX | |
125 | DRUNTIME_OS_SOURCES | |
126 | DRUNTIME_OS_THREAD_MODEL | |
127 | DRUNTIME_OS_ARM_EABI_UNWINDER | |
128 | DRUNTIME_OS_MINFO_BRACKETING | |
129 | ||
130 | WITH_LOCAL_DRUNTIME([ | |
131 | AC_LANG_PUSH([D]) | |
132 | AC_SEARCH_LIBS([malloc], [c]) | |
133 | DRUNTIME_LIBRARIES_THREAD | |
134 | AC_SEARCH_LIBS([cosf], [m]) | |
135 | AC_SEARCH_LIBS([clock_gettime], [rt]) | |
136 | DRUNTIME_ENABLE_ATOMIC_BUILTINS | |
137 | AC_LANG_POP([D]) | |
138 | ], [-nophoboslib]) | |
139 | ||
140 | DRUNTIME_LIBRARIES_ATOMIC | |
141 | DRUNTIME_LIBRARIES_BACKTRACE | |
142 | DRUNTIME_LIBRARIES_DLOPEN | |
143 | DRUNTIME_LIBRARIES_ZLIB | |
144 | DRUNTIME_INSTALL_DIRECTORIES | |
145 | ||
146 | # Add dependencies for libgphobos.spec file | |
147 | SPEC_PHOBOS_DEPS="$LIBS" | |
148 | AC_SUBST(SPEC_PHOBOS_DEPS) | |
149 | ||
150 | # Libdruntime / phobos soname version | |
151 | DRUNTIME_SOVERSION="76:2:0" | |
152 | PHOBOS_SOVERSION="76:2:0" | |
153 | AC_SUBST([DRUNTIME_SOVERSION]) | |
154 | AC_SUBST([PHOBOS_SOVERSION]) | |
155 | ||
156 | # Set default flags (after DRUNTIME_WERROR!) | |
157 | if test -z "$GDCFLAGS"; then | |
158 | GDCFLAGS="-Wall $WERROR_FLAG -g -frelease -O2" | |
159 | fi | |
160 | AC_SUBST(GDCFLAGS) | |
161 | ||
162 | if test -z "$GDCFLAGSX"; then | |
163 | GDCFLAGSX="-Wall $WERROR_FLAG -g -fno-release -funittest" | |
164 | fi | |
165 | AC_SUBST(GDCFLAGSX) | |
166 | ||
167 | # Sanity check for the cross-compilation case: | |
168 | AC_CHECK_HEADER(stdio.h,:, | |
169 | [AC_MSG_ERROR([cannot find stdio.h.])]) | |
170 | ||
171 | AC_CONFIG_FILES(Makefile src/Makefile libdruntime/Makefile testsuite/Makefile) | |
172 | ||
173 | AC_CONFIG_FILES(libdruntime/gcc/config.d libdruntime/gcc/libbacktrace.d) | |
174 | AC_CONFIG_FILES(src/libgphobos.spec) | |
175 | AC_CONFIG_FILES([testsuite/testsuite_flags],[chmod +x testsuite/testsuite_flags]) | |
176 | ||
177 | # We need multilib support, but only if configuring for the target. | |
178 | AC_CONFIG_COMMANDS([default], | |
179 | [if test -n "$CONFIG_FILES"; then | |
180 | if test -n "${with_target_subdir}"; then | |
181 | # Multilibs need MULTISUBDIR defined correctly in certain makefiles so | |
182 | # that multilib installs will end up installed in the correct place. | |
183 | # The testsuite needs it for multilib-aware ABI baseline files. | |
184 | # To work around this not being passed down from config-ml.in -> | |
185 | # srcdir/Makefile.am -> srcdir/{src,libdruntime,...}/Makefile.am, manually | |
186 | # append it here. Only modify Makefiles that have just been created. | |
187 | # | |
188 | # Also, get rid of this simulated-VPATH thing that automake does. | |
189 | cat > vpsed << \_EOF | |
190 | s!`test -f '$<' || echo '$(srcdir)/'`!! | |
191 | _EOF | |
192 | for i in $SUBDIRS; do | |
193 | case $CONFIG_FILES in | |
194 | *${i}/Makefile*) | |
195 | #echo "Adding MULTISUBDIR to $i/Makefile" | |
196 | sed -f vpsed $i/Makefile > tmp | |
197 | grep '^MULTISUBDIR =' Makefile >> tmp | |
198 | mv tmp $i/Makefile | |
199 | ;; | |
200 | esac | |
201 | done | |
202 | rm vpsed | |
203 | fi | |
204 | fi | |
205 | ], | |
206 | [ | |
207 | # Variables needed in config.status (file generation) which aren't already | |
208 | # passed by autoconf. | |
209 | SUBDIRS="$SUBDIRS" | |
210 | ]) | |
211 | ||
212 | AC_OUTPUT |