kc3-lang/gnulib/m4/libgmp.m4

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• Hash : f187e34f
  Author :
  Date : 2023-04-24T01:57:33
  

  Improve quoting of AS_HELP_STRING's first argument.
  
  * m4/acl.m4 (gl_FUNC_ACL_ARG): Don't underquote AS_HELP_STRING's first
  argument.
  * m4/assert.m4 (gl_ASSERT): Likewise.
  * m4/gc.m4 (gl_GC): Likewise.
  * m4/gnulib-common.m4 (gl_COMMON_BODY): Likewise.
  * m4/ld-version-script.m4 (gl_LD_VERSION_SCRIPT): Likewise.
  * m4/lib-ld.m4 (AC_LIB_PROG_LD): Likewise.
  * m4/libgmp.m4 (gl_LIBGMP): Likewise.
  * m4/regex.m4 (gl_REGEX): Likewise.
  * m4/relocatable-lib.m4 (gl_RELOCATABLE_NOP): Likewise.
  * m4/selinux-selinux-h.m4 (gl_LIBSELINUX): Likewise.
  * m4/sigsegv.m4 (gl_SIGSEGV): Likewise.
  * m4/threadlib.m4 (gl_THREADLIB_EARLY_BODY): Likewise.
  * m4/valgrind-tests.m4 (gl_VALGRIND_TESTS): Likewise.
  * m4/version-etc.m4 (gl_VERSION_ETC_FLAG): Likewise.
  * m4/xattr.m4 (gl_FUNC_XATTR): Likewise.
  * doc/manywarnings.texi (manywarnings): Likewise. This avoids the use of
  quadrigraphs.
  

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• m4/libgmp.m4

• # libgmp.m4 serial 8
  # Configure the GMP library or a replacement.
  dnl Copyright 2020-2023 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  dnl gl_LIBGMP
  dnl Search for an installed libgmp.
  dnl If found, set and AC_SUBST HAVE_LIBGMP=yes and the LIBGMP and LTLIBGMP
  dnl variables, and augment the CPPFLAGS variable, and #define HAVE_LIBGMP to 1.
  dnl Otherwise, set and AC_SUBST HAVE_LIBGMP=no and LIBGMP and LTLIBGMP to
  dnl empty.
  
  AC_DEFUN([gl_LIBGMP],
  [
    AC_ARG_WITH([libgmp],
      [AS_HELP_STRING([[--without-libgmp]],
         [do not use the GNU Multiple Precision (GMP) library;
          this is the default on systems lacking libgmp.])])
    HAVE_LIBGMP=no
    LIBGMP=
    LTLIBGMP=
    AS_IF([test "$with_libgmp" != no],
      [AC_CHECK_HEADERS([gmp.h gmp/gmp.h], [break])
       dnl Prefer AC_LIB_HAVE_LINKFLAGS if the havelib module is also in use.
       AS_IF([test "$ac_cv_header_gmp_h" = yes ||
              test "$ac_cv_header_gmp_gmp_h" = yes],
         [m4_ifdef([gl_HAVE_MODULE_HAVELIB],
            [AC_LIB_HAVE_LINKFLAGS([gmp], [],
               [#if HAVE_GMP_H
                # include <gmp.h>
                #else
                # include <gmp/gmp.h>
                #endif],
               [static const mp_limb_t x[2] = { 0x73, 0x55 };
                mpz_t tmp;
                mpz_roinit_n (tmp, x, 2);
               ],
               [no])],
            [gl_saved_LIBS=$LIBS
             AC_SEARCH_LIBS([__gmpz_roinit_n], [gmp])
             LIBS=$gl_saved_LIBS
             case $ac_cv_search___gmpz_roinit_n in
               'none needed')
                 HAVE_LIBGMP=yes;;
               -*)
                 HAVE_LIBGMP=yes
                 LIBGMP=$ac_cv_search___gmpz_roinit_n
                 LTLIBGMP=$LIBGMP;;
             esac
             AC_SUBST([HAVE_LIBGMP])
             AC_SUBST([LIBGMP])
             AC_SUBST([LTLIBGMP])])])
       if test "$with_libgmp,$HAVE_LIBGMP" = yes,no; then
         AC_MSG_ERROR(
           [GMP not found, although --with-libgmp was specified.m4_ifdef(
              [AC_LIB_HAVE_LINKFLAGS],
              [ Try specifying --with-libgmp-prefix=DIR.])])
       fi])
    if test $HAVE_LIBGMP = yes && test "$ac_cv_header_gmp_h" = yes; then
      GL_GENERATE_GMP_H=false
    else
      GL_GENERATE_GMP_H=true
    fi
    gl_CONDITIONAL([GL_GENERATE_MINI_GMP_H],
      [test $HAVE_LIBGMP != yes])
    gl_CONDITIONAL([GL_GENERATE_GMP_GMP_H],
      [test $HAVE_LIBGMP = yes && test "$ac_cv_header_gmp_h" != yes])
  ])
  

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