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15a3ec2567
* check/lightning.c, configure.ac: Conditionally use the code written to workaround a bug in the Hercules emulator, as isnan and isinf are not available at least on HP-UX ia64. enter the commit message for your changes. Lines starting
224 lines
6.1 KiB
Text
224 lines
6.1 KiB
Text
dnl
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dnl Copyright 2000, 2001, 2002, 2012, 2013 Free Software Foundation, Inc.
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dnl
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dnl This file is part of GNU lightning.
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dnl
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dnl GNU lightning is free software; you can redistribute it and/or modify it
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dnl under the terms of the GNU Lesser General Public License as published
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dnl by the Free Software Foundation; either version 3, or (at your option)
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dnl any later version.
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dnl
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dnl GNU lightning is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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dnl License for more details.
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dnl
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AC_PREREQ(2.57)
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AC_INIT([GNU lightning], 2.0.0, pcpa@gnu.org, lightning)
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AC_CANONICAL_TARGET
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AC_CONFIG_SRCDIR([Makefile.am])
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AM_INIT_AUTOMAKE([dist-bzip2])
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AC_CONFIG_MACRO_DIR(m4)
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AC_CONFIG_HEADERS(config.h)
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case "$target_cpu" in
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ia64)
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case "$host_os" in
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# Only supported mode
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*hpux*) CFLAGS="$CFLAGS -mlp64" ;;
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*) ;;
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esac ;;
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*mips*)
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case "$host_os" in
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# Extra flags to build with gcc 3.x
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*irix*) CFLAGS="$CFLAGS -D__c99 -Drestrict=" ;;
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*) ;;
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esac ;;
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*) ;;
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esac
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_PROG_LIBTOOL
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AC_CHECK_FUNCS(mremap ffsl getopt_long_only isnan isinf,,)
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AC_CHECK_HEADERS([getopt.h],,,)
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AC_ARG_ENABLE(disassembler,
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AS_HELP_STRING([--enable-disassembler],
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[Enable jit disassembler using binutils]),
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[DISASSEMBLER=$enableval], [DISASSEMBLER=auto])
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if test "x$DISASSEMBLER" != "xno"; then
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# FIXME need to check for libiberty first or will fail to link
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AC_CHECK_LIB(iberty, htab_try_create, ,
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[HAVE_IBERTY="no"])
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AC_CHECK_LIB(bfd, bfd_init, ,
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[HAVE_BFD="no"])
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AC_CHECK_LIB(z, compressBound, ,
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[HAVE_Z="no"])
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AC_CHECK_LIB(opcodes, init_disassemble_info, ,
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[HAVE_OPCODES="no"])
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if test "x$HAVE_IBERTY" = "xno" -o \
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"x$HAVE_BFD" = "xno" -o \
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"x$HAVE_Z" = "xno" -o \
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"x$HAVE_OPCODES" = "xno"; then
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if test "x$DISASSEMBLER" != "xauto"; then
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AC_MSG_ERROR([binutils not found, see http://www.gnu.org/software/binutils/])
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else
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AC_MSG_WARN([binutils not found, see http://www.gnu.org/software/binutils/])
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DISASSEMBLER="no"
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fi
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fi
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fi
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AM_CONDITIONAL(with_disassembler, [test "x$DISASSEMBLER" != "xno"])
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if test "x$DISASSEMBLER" != "xno"; then
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LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DDISASSEMBLER=1"
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fi
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AC_ARG_ENABLE(assertions,
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AS_HELP_STRING([--enable-assertions],
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[Enable runtime code generation assertions]),
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[DEBUG=$enableval], [DEBUG=auto])
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if test "x$DEBUG" = xyes; then
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LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DDEBUG=1"
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else
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LIGHTNING_CFLAGS="$LIGHTNING_CFLAGS -DNDEBUG"
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DEBUG=no
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fi
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case "$host_os" in
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*bsd*) SHLIB="" ;;
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*hpux*) SHLIB="-ldld" ;;
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*) SHLIB="-ldl" ;;
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esac
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AC_SUBST(SHLIB)
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cpu=
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case "$target_cpu" in
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i?86|x86_64|amd64) cpu=x86 ;;
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*arm*) cpu=arm ;;
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*mips*) cpu=mips ;;
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*powerpc*) cpu=ppc ;;
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*sparc*) cpu=sparc ;;
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ia64) cpu=ia64 ;;
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hppa*) cpu=hppa ;;
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aarch64) cpu=aarch64 ;;
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s390x) cpu=s390x ;;
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*) ;;
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esac
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AM_CONDITIONAL(cpu_arm, [test cpu-$cpu = cpu-arm])
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AM_CONDITIONAL(cpu_mips, [test cpu-$cpu = cpu-mips])
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AM_CONDITIONAL(cpu_ppc, [test cpu-$cpu = cpu-ppc])
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AM_CONDITIONAL(cpu_sparc, [test cpu-$cpu = cpu-sparc])
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AM_CONDITIONAL(cpu_x86, [test cpu-$cpu = cpu-x86])
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AM_CONDITIONAL(cpu_ia64, [test cpu-$cpu = cpu-ia64])
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AM_CONDITIONAL(cpu_hppa, [test cpu-$cpu = cpu-hppa])
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AM_CONDITIONAL(cpu_aarch64, [test cpu-$cpu = cpu-aarch64])
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AM_CONDITIONAL(cpu_s390x, [test cpu-$cpu = cpu-s390x])
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# Test x87 if both, x87 and sse2 available
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ac_cv_test_x86_x87=
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# Test arm instruction set if thumb instruction set available
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ac_cv_test_arm_arm=
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# Test sofware float if vfp available and not using hard float abi
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ac_cv_test_arm_swf=
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save_CFLAGS=$CFLAGS
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CFLAGS="-I$PWD/include -D_GNU_SOURCE"
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if test x$cpu = x; then
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AC_MSG_ERROR([cpu $target_cpu not supported])
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elif test $cpu = x86; then
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#include <lightning.h>
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int main(void) {
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int ac, flags;
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unsigned int eax, ebx, ecx, edx;
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if (__WORDSIZE == 64)
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return 1;
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__asm__ volatile ("pushfl;\n\t"
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"popl %0;\n\t"
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"movl \$0x240000, %1;\n\t"
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"xorl %0, %1;\n\t"
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"pushl %1;\n\t"
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"popfl;\n\t"
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"pushfl;\n\t"
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"popl %1;\n\t"
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"xorl %0, %1;\n\t"
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"pushl %0;\n\t"
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"popfl"
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: "=r" (flags), "=r" (ac));
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if ((ac & (1 << 21)) == 0)
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return 1;
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__asm__ volatile ("xchgl %%ebx, %1; cpuid; xchgl %%ebx, %1"
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: "=a" (eax), "=r" (ebx),
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"=c" (ecx), "=d" (edx)
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: "0" (1));
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return (edx & 1 << 26) ? 0 : 1;
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}
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]])],[ac_cv_test_x86_x87=yes],[][])
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elif test $cpu = arm; then
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#include <stdio.h>
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int main(void) {
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#if defined(__linux__)
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FILE *fp;
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char buf[128];
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if ((fp = fopen("/proc/cpuinfo", "r")) == NULL)
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return 1;
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while (fgets(buf, sizeof(buf), fp)) {
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if (strncmp(buf, "Features\t:", 10) == 0 &&
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strstr(buf + 10, "thumb")) {
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fclose(fp);
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return 0;
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}
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}
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fclose(fp);
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#endif
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return 1;
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}
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]])],[ac_cv_test_arm_arm=yes],[][])
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#include <stdio.h>
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int main(void) {
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#if defined(__linux__)
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FILE *fp;
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char buf[128];
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# if !defined(__ARM_PCS_VFP)
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if ((fp = fopen("/proc/cpuinfo", "r")) == NULL)
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return 1;
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while (fgets(buf, sizeof(buf), fp)) {
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if (strncmp(buf, "Features\t:", 10) == 0 &&
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strstr(buf + 10, "vfp")) {
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fclose(fp);
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return 0;
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}
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}
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fclose(fp);
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# endif
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#endif
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return 1;
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}
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]])],[ac_cv_test_arm_swf=yes],[][])
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fi
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CFLAGS=$save_CFLAGS
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AM_CONDITIONAL(test_x86_x87, [test x$ac_cv_test_x86_x87 = xyes])
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AM_CONDITIONAL(test_arm_arm, [test x$ac_cv_test_arm_arm = xyes])
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AM_CONDITIONAL(test_arm_swf, [test x$ac_cv_test_arm_swf = xyes])
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if test $cpu=arm; then
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AC_CHECK_LIB(m, sqrtf, ,
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[AC_MSG_ERROR([sqrtf required but not available])])
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fi
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AC_SUBST([LIGHTNING_CFLAGS])
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AC_OUTPUT([Makefile
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doc/Makefile
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include/Makefile
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include/lightning/Makefile
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lib/Makefile
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check/Makefile])
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