1 #!/usr/bin/m4 2 # 3 # Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at] altlinux.org> 4 # Copyright (c) 2015 Elvira Khabirova <lineprinter0 (at] gmail.com> 5 # All rights reserved. 6 # 7 # Redistribution and use in source and binary forms, with or without 8 # modification, are permitted provided that the following conditions 9 # are met: 10 # 1. Redistributions of source code must retain the above copyright 11 # notice, this list of conditions and the following disclaimer. 12 # 2. Redistributions in binary form must reproduce the above copyright 13 # notice, this list of conditions and the following disclaimer in the 14 # documentation and/or other materials provided with the distribution. 15 # 3. The name of the author may not be used to endorse or promote products 16 # derived from this software without specific prior written permission. 17 # 18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 AC_DEFUN([st_MPERS_LOAD_AC_CV], [ 30 31 pushdef([var], [ac_cv_$1]) 32 pushdef([saved], [saved_ac_cv_$1]) 33 pushdef([mpers], [ac_cv_]mpers_name[_$1]) 34 35 AS_IF([test -n "${var+set}"], [saved="${var}"; unset var]) 36 AS_IF([test -n "${mpers+set}"], [var="${mpers}"]) 37 38 popdef([mpers]) 39 popdef([saved]) 40 popdef([var]) 41 42 ]) 43 44 AC_DEFUN([st_MPERS_SAVE_AC_CV], [ 45 46 pushdef([var], [ac_cv_$1]) 47 pushdef([saved], [saved_ac_cv_$1]) 48 pushdef([mpers], [ac_cv_]mpers_name[_$1]) 49 50 AS_IF([test -n "${var+set}"], [mpers="${var}"]) 51 AS_IF([test -n "${saved+set}"], [var="${saved}"; unset saved]) 52 53 popdef([mpers]) 54 popdef([saved]) 55 popdef([var]) 56 57 ]) 58 59 AC_DEFUN([st_MPERS_STRUCT_STAT], [ 60 61 st_MPERS_LOAD_AC_CV([type_struct_stat$1]) 62 AC_CHECK_TYPE([struct stat$1], 63 AC_DEFINE([HAVE_]MPERS_NAME[_STRUCT_STAT$1], [1], 64 [Define to 1 if MPERS_NAME has the type 'struct stat$1'.]),, 65 [#include <sys/types.h> 66 #include <asm/stat.h>]) 67 st_MPERS_SAVE_AC_CV([type_struct_stat$1]) 68 69 st_MPERS_LOAD_AC_CV([member_struct_stat$1_st_mtime_nsec]) 70 AC_CHECK_MEMBER([struct stat$1.st_mtime_nsec], 71 AC_DEFINE([HAVE_]MPERS_NAME[_STRUCT_STAT$1_ST_MTIME_NSEC], [1], 72 [Define to 1 if 'st_mtime_nsec' is a member of MPERS_NAME 'struct stat$1'.]),, 73 [#include <sys/types.h> 74 #include <asm/stat.h>]) 75 st_MPERS_SAVE_AC_CV([member_struct_stat$1_st_mtime_nsec]) 76 77 ]) 78 79 AC_DEFUN([st_MPERS],[ 80 81 pushdef([mpers_name], [$1]) 82 pushdef([MPERS_NAME], translit([$1], [a-z], [A-Z])) 83 pushdef([HAVE_MPERS], [HAVE_]MPERS_NAME[_MPERS]) 84 pushdef([HAVE_RUNTIME], [HAVE_]MPERS_NAME[_RUNTIME]) 85 pushdef([CFLAG], [-$1]) 86 pushdef([st_cv_cc], [st_cv_$1_cc]) 87 pushdef([st_cv_runtime], [st_cv_$1_runtime]) 88 pushdef([st_cv_mpers], [st_cv_$1_mpers]) 89 90 case "$arch" in 91 [$2]) 92 AH_TEMPLATE([HAVE_GNU_STUBS_32_H], 93 [Define to 1 if you have the <gnu/stubs-32.h> header file.]) 94 AH_TEMPLATE([HAVE_GNU_STUBS_X32_H], 95 [Define to 1 if you have the <gnu/stubs-x32.h> header file.]) 96 pushdef([gnu_stubs], [gnu/stubs-][m4_substr([$1], 1)][.h]) 97 AC_CHECK_HEADERS([gnu_stubs], [IFLAG=], 98 [mkdir -p gnu 99 : > gnu_stubs 100 AC_MSG_NOTICE([Created empty gnu_stubs]) 101 IFLAG=-I.]) 102 popdef([gnu_stubs]) 103 saved_CFLAGS="$CFLAGS" 104 CFLAGS="$CFLAGS CFLAG $IFLAG" 105 AC_CACHE_CHECK([for CFLAG compile support], [st_cv_cc], 106 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdint.h> 107 int main(){return 0;}]])], 108 [st_cv_cc=yes], 109 [st_cv_cc=no])]) 110 if test $st_cv_cc = yes; then 111 AC_CACHE_CHECK([for CFLAG runtime support], [st_cv_runtime], 112 [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdint.h> 113 int main(){return 0;}]])], 114 [st_cv_runtime=yes], 115 [st_cv_runtime=no], 116 [st_cv_runtime=no])]) 117 AC_CACHE_CHECK([whether mpers.sh CFLAG works], [st_cv_mpers], 118 [if CC="$CC" CPP="$CPP" CPPFLAGS="$CPPFLAGS" \ 119 $srcdir/mpers_test.sh [$1]; then 120 st_cv_mpers=yes 121 else 122 st_cv_mpers=no 123 fi]) 124 if test $st_cv_mpers = yes; then 125 AC_DEFINE(HAVE_MPERS, [1], 126 [Define to 1 if you have CFLAG mpers support]) 127 st_MPERS_STRUCT_STAT([]) 128 st_MPERS_STRUCT_STAT([64]) 129 fi 130 fi 131 CFLAGS="$saved_CFLAGS" 132 ;; 133 134 *) 135 st_cv_runtime=no 136 st_cv_mpers=no 137 ;; 138 esac 139 140 AM_CONDITIONAL(HAVE_RUNTIME, [test "$st_cv_mpers$st_cv_runtime" = yesyes]) 141 AM_CONDITIONAL(HAVE_MPERS, [test "$st_cv_mpers" = yes]) 142 143 popdef([st_cv_mpers]) 144 popdef([st_cv_runtime]) 145 popdef([st_cv_cc]) 146 popdef([CFLAG]) 147 popdef([HAVE_RUNTIME]) 148 popdef([HAVE_MPERS]) 149 popdef([MPERS_NAME]) 150 popdef([mpers_name]) 151 152 ]) 153
