2 dnl Copyright 2000, 2001, 2002, 2012-2023 Free Software Foundation, Inc.
4 dnl This file is part of GNU lightning.
6 dnl GNU lightning is free software; you can redistribute it and/or modify it
7 dnl under the terms of the GNU Lesser General Public License as published
8 dnl by the Free Software Foundation; either version 3, or (at your option)
11 dnl GNU lightning is distributed in the hope that it will be useful, but
12 dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13 dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 dnl License for more details.
18 AC_INIT([GNU lightning],[2.2.2],[pcpa@gnu.org],[lightning])
19 AC_CONFIG_AUX_DIR([build-aux])
21 AC_CONFIG_SRCDIR([Makefile.am])
22 AM_INIT_AUTOMAKE([dist-bzip2])
23 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
24 AC_CONFIG_MACRO_DIR([m4])
26 AC_CONFIG_HEADERS([config.h])
39 LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -mlp64" ;;
44 # (Hack) Flags to pass configure with gcc 3.x
45 # Should not set LIGHTNINT_CFLAGS
47 CFLAGS="$CFLAGS -D__c99 -Drestrict=";;
53 # Get proper varargs and mmap prototypes and definitions
54 CFLAGS="$CFLAGS -D_ANSI_C_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_OSF_SOURCE -D_POSIX_C_SOURCE=199309L"
55 # Want to generate NaN with 0.0/0.0 and Inf with 1.0/0.0
56 if test x$GCC = "xyes"; then
57 CFLAGS="$CFLAGS -mieee"
59 CFLAGS="$CFLAGS -ieee_with_no_inexact"
66 LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DPACKED_STACK=1" ;;
72 AC_CHECK_FUNCS(mmap mremap ffsl getopt_long_only isnan isinf,,)
74 AC_CHECK_HEADERS([getopt.h stdint.h],,,)
76 AC_ARG_ENABLE(disassembler,
77 AS_HELP_STRING([--enable-disassembler],
78 [Enable jit disassembler using binutils]),
79 [DISASSEMBLER=$enableval], [DISASSEMBLER=auto])
80 if test "x$DISASSEMBLER" != "xno"; then
82 AC_CHECK_LIB(iberty, htab_try_create, ,
84 AC_CHECK_LIB(bfd, bfd_init, ,
86 AC_CHECK_LIB(z, compressBound, ,
88 AC_CHECK_LIB(opcodes, init_disassemble_info, ,
91 if test "x$HAVE_IBERTY" = "xno"; then
92 if test "x$DISASSEMBLER" = "xyes"; then
93 AC_MSG_ERROR([libiberty not found])
95 AC_MSG_WARN([libiberty not found])
100 if test "x$HAVE_BFD" = "xno"; then
101 if test "x$DISASSEMBLER" = "xyes"; then
102 AC_MSG_ERROR([binutils BFD not found, see http://www.gnu.org/software/binutils/])
104 AC_MSG_WARN([binutils BFD not found, see http://www.gnu.org/software/binutils/])
109 if test "x$HAVE_Z" = "xno"; then
110 if test "x$DISASSEMBLER" = "xyes"; then
111 AC_MSG_ERROR([zlib not found, see https://zlib.net/])
113 AC_MSG_WARN([zlib not found, see https://zlib.net/])
118 if test "x$HAVE_OPCODES" = "xno"; then
119 if test "x$DISASSEMBLER" = "xyes"; then
120 AC_MSG_ERROR([binutils opcodes not found, see https://www.gnu.org/software/binutils/])
122 AC_MSG_WARN([binutils opcodes not found, see https://www.gnu.org/software/binutils/])
128 AM_CONDITIONAL(with_disassembler, [test "x$DISASSEMBLER" != "xno"])
129 if test "x$DISASSEMBLER" != "xno"; then
130 LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DDISASSEMBLER=1"
132 CFLAGS="$CFLAGS -D_GNU_SOURCE"
133 AC_COMPILE_IFELSE([AC_LANG_SOURCE(
135 int main(int argc, char *argv[])
137 disassembler_ftype print;
139 print = disassembler(abfd);
142 )], [ac_cv_test_new_disassembler=no],,)
143 AC_COMPILE_IFELSE([AC_LANG_SOURCE(
145 int main(int argc, char *argv[])
147 struct disassemble_info dinfo;
148 INIT_DISASSEMBLE_INFO(dinfo, NULL, NULL, NULL);
151 )], [ac_cv_test_new_disassemble_info=yes],[ac_cv_test_new_disassemble_info=no],)
152 CFLAGS="$save_CFLAGS"
153 if test "x$ac_cv_test_new_disassembler" != "xno"; then
154 LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DBINUTILS_2_29=1"
156 if test "x$ac_cv_test_new_disassemble_info" != "xno"; then
157 LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DBINUTILS_2_38=1"
161 AC_ARG_ENABLE(devel-disassembler,
162 AS_HELP_STRING([--enable-devel-disassembler],
163 [Enable extra disassembly options]),
164 [DEVEL_DISASSEMBLER=$enableval], [DEVEL_DISASSEMBLER=no])
165 if test "x$DEVEL_DISASSEMBLER" != "xno"; then
166 if test "x$DISASSEMBLER" = "xno"; then
167 AC_MSG_ERROR(devel-disassembler needs disassembler enabled)
169 LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DDEVEL_DISASSEMBLER=1"
172 # This option is only useful during development.
173 AC_ARG_ENABLE(devel-get-jit-size,
174 AS_HELP_STRING([--enable-devel-get-jit-size],
175 [Devel mode to regenerate jit size information]),
176 [GET_JIT_SIZE=$enableval], [GET_JIT_SIZE=no])
177 AM_CONDITIONAL(get_jit_size, [test $GET_JIT_SIZE = yes])
179 AC_ARG_ENABLE(assertions,
180 AS_HELP_STRING([--enable-assertions],
181 [Enable runtime code generation assertions]),
182 [DEBUG=$enableval], [DEBUG=auto])
184 # This option might be made default in the future
185 # Currently it is only useful to ensure existing code will work
186 # if PACKED_STACK is also defined.
187 AC_ARG_ENABLE(devel-strong-type-checking,
188 AS_HELP_STRING([--enable-devel-strong-type-checking],
189 [Devel mode for strong type checking]),
190 [STRONG_TYPE_CHECKING=$enableval], [STRONG_TYPE_CHECKING=no])
191 if test "x$DEBUG" = xyes -o x"$STRONG_TYPE_CHECKING" = xyes; then
192 LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DDEBUG=1"
194 LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DNDEBUG"
197 AM_CONDITIONAL(strong_type_checking, [test $STRONG_TYPE_CHECKING = yes])
199 AC_CHECK_LIB(dl, dlopen, [HAVE_LIBDL="yes"])
200 AC_CHECK_LIB(dld, dlopen, [HAVE_LIBDLD="yes"])
202 if test "x$HAVE_LIBDL" = xyes; then
204 elif test "x$HAVE_LIBDLD" = xyes; then
212 case "$target_cpu" in
213 i?86|x86_64|amd64) cpu=x86 ;;
216 *powerpc*) cpu=ppc ;;
217 *sparc*) cpu=sparc ;;
220 aarch64) cpu=aarch64 ;;
224 loongarch*) cpu=loongarch ;;
227 AM_CONDITIONAL(cpu_arm, [test cpu-$cpu = cpu-arm])
228 AM_CONDITIONAL(cpu_mips, [test cpu-$cpu = cpu-mips])
229 AM_CONDITIONAL(cpu_ppc, [test cpu-$cpu = cpu-ppc])
230 AM_CONDITIONAL(cpu_sparc, [test cpu-$cpu = cpu-sparc])
231 AM_CONDITIONAL(cpu_x86, [test cpu-$cpu = cpu-x86])
232 AM_CONDITIONAL(cpu_ia64, [test cpu-$cpu = cpu-ia64])
233 AM_CONDITIONAL(cpu_hppa, [test cpu-$cpu = cpu-hppa])
234 AM_CONDITIONAL(cpu_aarch64, [test cpu-$cpu = cpu-aarch64])
235 AM_CONDITIONAL(cpu_s390, [test cpu-$cpu = cpu-s390])
236 AM_CONDITIONAL(cpu_alpha, [test cpu-$cpu = cpu-alpha])
237 AM_CONDITIONAL(cpu_riscv, [test cpu-$cpu = cpu-riscv])
238 AM_CONDITIONAL(cpu_loongarch, [test cpu-$cpu = cpu-loongarch])
240 # Test x87 if both, x87 and sse2 available
242 # Test arm instruction set if thumb instruction set available
244 # Test sofware float if vfp available and not using hard float abi
248 CFLAGS="$CFLAGS -D_GNU_SOURCE"
249 if test x$cpu = x; then
250 AC_MSG_ERROR([cpu $target_cpu not supported])
251 elif test $cpu = x86; then
252 AC_RUN_IFELSE([AC_LANG_SOURCE([[
255 unsigned int eax, ebx, ecx, edx;
256 if (sizeof(long) == 8)
258 __asm__ volatile ("pushfl;\n\t"
260 "movl \$0x240000, %1;\n\t"
269 : "=r" (flags), "=r" (ac));
270 if ((ac & (1 << 21)) == 0)
272 __asm__ volatile ("xchgl %%ebx, %1; cpuid; xchgl %%ebx, %1"
273 : "=a" (eax), "=r" (ebx),
274 "=c" (ecx), "=d" (edx)
276 return (edx & 1 << 26) ? 0 : 1;
278 ]])],[ac_cv_test_x86_x87=yes],[],[ac_cv_test_x86_x87=no])
279 elif test $cpu = arm; then
280 AC_RUN_IFELSE([AC_LANG_SOURCE([[
283 #if defined(__linux__)
286 if ((fp = fopen("/proc/cpuinfo", "r")) == NULL)
288 while (fgets(buf, sizeof(buf), fp)) {
289 if (strncmp(buf, "Features\t:", 10) == 0 &&
290 strstr(buf + 10, "thumb")) {
296 #elif defined(__thumb2__)
301 ]])],[ac_cv_test_arm_arm=yes],[],[ac_cv_test_arm_arm=no])
302 AC_RUN_IFELSE([AC_LANG_SOURCE([[
305 #if defined(__linux__)
308 # if !defined(__ARM_PCS_VFP)
309 if ((fp = fopen("/proc/cpuinfo", "r")) == NULL)
311 while (fgets(buf, sizeof(buf), fp)) {
312 if (strncmp(buf, "Features\t:", 10) == 0 &&
313 strstr(buf + 10, "vfp")) {
323 ]])],[ac_cv_test_arm_swf=yes],[],[ac_cv_test_arm_swf=no])
324 elif test $cpu = ppc; then
325 if test "x$DISASSEMBLER" != "xno"; then
328 AC_CHECK_FUNCS(disassemble_init_for_target disassemble_init_powerpc)
334 AM_CONDITIONAL(test_x86_x87, [test x$ac_cv_test_x86_x87 = xyes])
335 AM_CONDITIONAL(test_arm_arm, [test x$ac_cv_test_arm_arm = xyes])
336 AM_CONDITIONAL(test_arm_swf, [test x$ac_cv_test_arm_swf = xyes])
338 AM_CONDITIONAL(test_nodata, [test cpu-$cpu = cpu-mips -o cpu-$cpu = cpu-ppc -o cpu-$cpu = cpu-sparc -o cpu-$cpu = cpu-x86 -o cpu-$cpu = cpu-ia64 -o cpu-$cpu = cpu-hppa -o cpu-$cpu = cpu-s390 -o cpu-$cpu = cpu-alpha])
340 if test $cpu = arm; then
341 AC_CHECK_LIB(m, sqrtf, ,
342 [AC_MSG_ERROR([sqrtf required but not available])])
346 AC_SUBST([LIGHTNING_CFLAGS])
348 if test $ac_cv_header_stdint_h = yes; then
349 AC_SUBST(MAYBE_INCLUDE_STDINT_H, ["#include <stdint.h>"])
352 AC_CONFIG_FILES([Makefile
357 include/lightning/Makefile