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ThomasDickeyThomasDickey
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snapshot of project "my-autoconf", label t19970906
1 parent cfc3ea1 commit 169d729

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‎AcSplit/CF_AC_PREREQ‎

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dnl CF_AC_PREREQ version: 2 updated: 1997/09/06 13:24:56
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dnl ------------
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dnl Conditionally generate script according to whether we're using the release
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dnl version of autoconf, or a patched version (using the ternary component as
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dnl the patch-version).
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define(CF_AC_PREREQ,
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[CF_PREREQ_COMPARE(
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AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)),
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AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), [$1], [$2], [$3])])dnl

‎AcSplit/CF_ADA_INCLUDE_DIRS‎

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dnl Construct the list of include-options for the C programs in the Ada95
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dnl binding.
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AC_DEFUN([CF_ADA_INCLUDE_DIRS],
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[
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ACPPFLAGS="$ACPPFLAGS -I. -I../../include"
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if test "$srcdir" != "."; then
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ACPPFLAGS="$ACPPFLAGS -I\$(srcdir)/../../include"
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fi
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if test -z "$GCC"; then
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ACPPFLAGS="$ACPPFLAGS -I\$(includedir)"
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elif test "$includedir" != "/usr/include"; then
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if test "$includedir" = '${prefix}/include' ; then
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if test $prefix != /usr ; then
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ACPPFLAGS="$ACPPFLAGS -I\$(includedir)"
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fi
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else
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ACPPFLAGS="$ACPPFLAGS -I\$(includedir)"
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fi
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fi
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AC_SUBST(ACPPFLAGS)
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])dnl

‎AcSplit/CF_ANSI_CC_CHECK‎

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dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES'
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dnl in the sharutils 4.2 distribution.
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AC_DEFUN([CF_ANSI_CC_CHECK],
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[
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AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
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AC_CACHE_VAL(cf_cv_ansi_cc,[
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cf_cv_ansi_cc=no
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cf_save_CFLAGS="$CFLAGS"
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# Don't try gcc -ansi; that turns off useful extensions and
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# breaks some systems' header files.
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# AIX -qlanglvl=ansi
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# Ultrix and OSF/1 -std1
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# HP-UX -Aa -D_HPUX_SOURCE
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# SVR4 -Xc
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# UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
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for cf_arg in "-DCC_HAS_PROTOS" "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" -Xc
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do
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CFLAGS="$cf_save_CFLAGS $cf_arg"
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AC_TRY_COMPILE(
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[
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#ifndef CC_HAS_PROTOS
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#if !defined(__STDC__) || __STDC__ != 1
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choke me
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#endif
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#endif
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],[
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int test (int i, double x);
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struct s1 {int (*f) (int a);};
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struct s2 {int (*f) (double a);};],
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[cf_cv_ansi_cc="$cf_arg"; break])
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done
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CFLAGS="$cf_save_CFLAGS"
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])
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AC_MSG_RESULT($cf_cv_ansi_cc)
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if test "$cf_cv_ansi_cc" != "no"; then
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if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
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CFLAGS="$CFLAGS $cf_cv_ansi_cc"
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else
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AC_DEFINE(CC_HAS_PROTOS)
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fi
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fi
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])dnl

‎AcSplit/CF_ANSI_CC_REQD‎

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dnl CF_ANSI_CC_REQD version: 3 updated: 1997/09/06 13:40:44
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dnl ---------------
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dnl For programs that must use an ANSI compiler, obtain compiler options that
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dnl will make it recognize prototypes. We'll do preprocessor checks in other
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dnl macros, since tools such as unproto can fake prototypes, but only part of
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dnl the preprocessor.
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AC_DEFUN([CF_ANSI_CC_REQD],
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[AC_REQUIRE([CF_ANSI_CC_CHECK])
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if test "$cf_cv_ansi_cc" = "no"; then
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AC_ERROR(
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[Your compiler does not appear to recognize prototypes.
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You have the following choices:
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a. adjust your compiler options
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b. get an up-to-date compiler
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c. use a wrapper such as unproto])
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fi
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])dnl

‎AcSplit/CF_ANSI_QSORT‎

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dnl Test if we should use ANSI-style prototype for qsort's compare-function
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AC_DEFUN([CF_ANSI_QSORT],
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[
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AC_MSG_CHECKING([for standard qsort])
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AC_CACHE_VAL(cf_cv_ansi_qsort,[
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AC_TRY_COMPILE([
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#if HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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int compare(const void *a, const void *b)
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{ return (*(int *)a - *(int *)b); } ],
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[ extern long *vector;
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qsort(vector, 1, 1, compare); ],
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[cf_cv_ansi_qsort=yes],
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[cf_cv_ansi_qsort=no])
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])
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AC_MSG_RESULT($cf_cv_ansi_qsort)
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if test $cf_cv_ansi_qsort = yes; then
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AC_DEFINE(ANSI_QSORT,1)
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else
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AC_DEFINE(ANSI_QSORT,0)
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fi
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])dnl

‎AcSplit/CF_BOOL_DECL‎

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dnl Test if 'bool' is a builtin type in the configured C++ compiler. Some
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dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
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dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
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dnl
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dnl Treat the configuration-variable specially here, since we're directly
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dnl substituting its value (i.e., 1/0).
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AC_DEFUN([CF_BOOL_DECL],
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[
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AC_MSG_CHECKING([for builtin c++ bool type])
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AC_CACHE_VAL(cf_cv_builtin_bool,[
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AC_TRY_COMPILE([],[bool x = false],
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[cf_cv_builtin_bool=1],
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[cf_cv_builtin_bool=0])
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])
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if test $cf_cv_builtin_bool = 1
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then AC_MSG_RESULT(yes)
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else AC_MSG_RESULT(no)
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fi
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])dnl

‎AcSplit/CF_BOOL_SIZE‎

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dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
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dnl Don't bother looking for bool.h, since it's been deprecated.
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AC_DEFUN([CF_BOOL_SIZE],
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[
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AC_MSG_CHECKING([for size of c++ bool])
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AC_CACHE_VAL(cf_cv_type_of_bool,[
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rm -f cf_test.out
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AC_TRY_RUN([
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#include <stdlib.h>
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#include <stdio.h>
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#if HAVE_BUILTIN_H
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#include <builtin.h>
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#endif
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main()
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{
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FILE *fp = fopen("cf_test.out", "w");
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if (fp != 0) {
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bool x = false;
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if (sizeof(x) == sizeof(int)) fputs("int", fp);
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else if (sizeof(x) == sizeof(char)) fputs("char", fp);
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else if (sizeof(x) == sizeof(short))fputs("short",fp);
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else if (sizeof(x) == sizeof(long)) fputs("long", fp);
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fclose(fp);
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}
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exit(0);
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}
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],
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[cf_cv_type_of_bool=`cat cf_test.out`],
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[cf_cv_type_of_bool=unknown],
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[cf_cv_type_of_bool=unknown])
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])
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rm -f cf_test.out
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AC_MSG_RESULT($cf_cv_type_of_bool)
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if test $cf_cv_type_of_bool = unknown ; then
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AC_MSG_WARN(Assuming unsigned for type of bool)
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cf_cv_type_of_bool=unsigned
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fi
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])dnl

‎AcSplit/CF_CFG_DEFAULTS‎

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dnl Determine the default configuration into which we'll install ncurses. This
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dnl can be overridden by the user's command-line options. There's two items to
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dnl look for:
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dnl 1. the prefix (e.g., /usr)
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dnl 2. the header files (e.g., /usr/include/ncurses)
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dnl We'll look for a previous installation of ncurses and use the same defaults.
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dnl
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dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
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dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
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dnl programs from a vendor's.
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AC_DEFUN([CF_CFG_DEFAULTS],
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[
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AC_MSG_CHECKING(for prefix)
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if test "x$prefix" = "xNONE" ; then
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case "$cf_cv_systype" in
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# non-vendor systems don't have a conflict
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OpenBSD|NetBSD|FreeBSD|Linux) prefix=/usr
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;;
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*) prefix=$ac_default_prefix
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;;
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esac
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fi
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AC_MSG_RESULT($prefix)
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if test "x$prefix" = "xNONE" ; then
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AC_MSG_CHECKING(for default include-directory)
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test -n "$verbose" && echo 1>&6
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for cf_symbol in \
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$includedir \
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$includedir/ncurses \
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$prefix/include \
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$prefix/include/ncurses \
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/usr/local/include \
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/usr/local/include/ncurses \
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/usr/include \
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/usr/include/ncurses
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do
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cf_dir=`eval echo $cf_symbol`
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if test -f $cf_dir/curses.h ; then
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if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
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includedir="$cf_symbol"
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test -n "$verbose" && echo $ac_n " found " 1>&6
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break
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fi
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fi
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test -n "$verbose" && echo " tested $cf_dir" 1>&6
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done
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AC_MSG_RESULT($includedir)
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fi
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])dnl

‎AcSplit/CF_CURSES_TERM_H‎

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dnl SVr4 curses should have term.h as well (where it puts the definitions of
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dnl the low-level interface). This may not be true in old/broken implementations,
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dnl as well as in misconfigured systems (e.g., gcc configured for Solaris 2.4
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dnl running with Solaris 2.5.1).
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AC_DEFUN([CF_CURSES_TERM_H],
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[
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AC_MSG_CHECKING([for term.h])
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AC_CACHE_VAL(cf_cv_have_term_h,[
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AC_TRY_COMPILE([
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#include <curses.h>
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#include <term.h>],
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[WINDOW *x],
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[cf_cv_have_term_h=yes],
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[cf_cv_have_term_h=no])
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])
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AC_MSG_RESULT($cf_cv_have_term_h)
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test $cf_cv_have_term_h = yes && AC_DEFINE(HAVE_TERM_H)
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])dnl

‎AcSplit/CF_CXX_LIBRARY‎

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dnl CF_CXX_LIBRARY version: 2 updated: 1997/09/06 23:41:28
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dnl --------------
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dnl If we're trying to use g++, test if libg++ is installed (a rather common
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dnl problem :-). If we have the compiler but no library, we'll be able to
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dnl configure, but won't be able to build the c++ demo program.
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AC_DEFUN([CF_CXX_LIBRARY],
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[
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cf_cxx_library=unknown
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if test $ac_cv_prog_gxx = yes; then
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AC_MSG_CHECKING([for libg++])
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cf_save="$LIBS"
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LIBS="$LIBS -lg++ -lm"
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AC_TRY_LINK([
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#include <builtin.h>
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],
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[float foo=abs(1.0)],
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[cf_cxx_library=yes
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CXXLIBS="$CXXLIBS -lg++ -lm"],
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[cf_cxx_library=no])
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LIBS="$cf_save"
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AC_MSG_RESULT($cf_cxx_library)
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fi
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])dnl

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