mirror of
https://github.com/autc04/Retro68.git
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400 lines
13 KiB
Plaintext
400 lines
13 KiB
Plaintext
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dnl
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dnl This file contains macros for testing linkage.
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dnl
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl declared when using the c++ compiler
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dnl ASSUMES argument is a math function with ONE parameter
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dnl
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dnl GLIBCXX_CHECK_MATH_DECL_1
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AC_DEFUN([GLIBCXX_CHECK_MATH_DECL_1], [
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AC_MSG_CHECKING([for $1 declaration])
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if test x${glibcxx_cv_func_$1_use+set} != xset; then
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AC_CACHE_VAL(glibcxx_cv_func_$1_use, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <math.h>
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#ifdef HAVE_IEEEFP_H
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#include <ieeefp.h>
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#endif
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],
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[ $1(0);],
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[glibcxx_cv_func_$1_use=yes], [glibcxx_cv_func_$1_use=no])
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AC_LANG_RESTORE
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])
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fi
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AC_MSG_RESULT($glibcxx_cv_func_$1_use)
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])
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dnl
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dnl Define autoheader template for using the underscore functions
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dnl For each parameter, create a macro where if func doesn't exist,
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dnl but _func does, then it will "#define func _func".
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dnl
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dnl GLIBCXX_MAYBE_UNDERSCORED_FUNCS
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AC_DEFUN([GLIBCXX_MAYBE_UNDERSCORED_FUNCS],
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[AC_FOREACH([glibcxx_ufunc], [$1],
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[AH_VERBATIM(_[]glibcxx_ufunc,
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[#if defined (]AS_TR_CPP(HAVE__[]glibcxx_ufunc)[) && ! defined (]AS_TR_CPP(HAVE_[]glibcxx_ufunc)[)
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# define ]AS_TR_CPP(HAVE_[]glibcxx_ufunc)[ 1
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# define ]glibcxx_ufunc[ _]glibcxx_ufunc[
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#endif])])
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])
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl 3) if not, see if 1) and 2) for argument prepended with '_'
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dnl
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dnl Define HAVE_CARGF etc if "cargf" is declared and links
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a math function with ONE parameter
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dnl
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dnl GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1
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AC_DEFUN([GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1], [
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GLIBCXX_CHECK_MATH_DECL_1($1)
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if test x$glibcxx_cv_func_$1_use = x"yes"; then
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AC_CHECK_FUNCS($1)
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else
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GLIBCXX_CHECK_MATH_DECL_1(_$1)
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if test x$glibcxx_cv_func__$1_use = x"yes"; then
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AC_CHECK_FUNCS(_$1)
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fi
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fi
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GLIBCXX_MAYBE_UNDERSCORED_FUNCS($1)
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])
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dnl
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dnl Like GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1, but does a bunch of
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dnl of functions at once. It's an all-or-nothing check -- either
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dnl HAVE_XYZ is defined for each of the functions, or for none of them.
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dnl Doing it this way saves significant configure time.
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AC_DEFUN([GLIBCXX_CHECK_MATH_DECLS_AND_LINKAGES_1], [
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define([funclist],patsubst($3,\(\w+\)\(\W*\),\1 ))dnl
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AC_MSG_CHECKING([for $1 functions])
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AC_CACHE_VAL(glibcxx_cv_func_$2_use, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <math.h>],
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patsubst(funclist,[\w+],[\& (0);]),
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[glibcxx_cv_func_$2_use=yes],
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[glibcxx_cv_func_$2_use=no])
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AC_LANG_RESTORE])
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AC_MSG_RESULT($glibcxx_cv_func_$2_use)
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if test x$glibcxx_cv_func_$2_use = x"yes"; then
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AC_CHECK_FUNCS(funclist)
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else
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AC_MSG_CHECKING([for _$1 functions])
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AC_CACHE_VAL(glibcxx_cv_func__$2_use, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <math.h>],
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patsubst(funclist,[\w+],[_\& (0);]),
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[glibcxx_cv_func__$2_use=yes],
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[glibcxx_cv_func__$2_use=no])
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AC_LANG_RESTORE])
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AC_MSG_RESULT($glibcxx_cv_func__$2_use)
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if test x$glibcxx_cv_func__$2_use = x"yes"; then
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AC_CHECK_FUNCS(patsubst(funclist,[\w+],[_\&]))
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fi
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fi
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GLIBCXX_MAYBE_UNDERSCORED_FUNCS(funclist)
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undefine([funclist])
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])
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl declared when using the c++ compiler
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dnl ASSUMES argument is a math function with TWO parameters
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dnl
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dnl GLIBCXX_CHECK_MATH_DECL_2
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AC_DEFUN([GLIBCXX_CHECK_MATH_DECL_2], [
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AC_MSG_CHECKING([for $1 declaration])
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if test x${glibcxx_cv_func_$1_use+set} != xset; then
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AC_CACHE_VAL(glibcxx_cv_func_$1_use, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <math.h>],
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[ $1(0, 0);],
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[glibcxx_cv_func_$1_use=yes], [glibcxx_cv_func_$1_use=no])
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AC_LANG_RESTORE
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])
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fi
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AC_MSG_RESULT($glibcxx_cv_func_$1_use)
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])
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl
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dnl Define HAVE_CARGF etc if "cargf" is declared and links
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a math function with TWO parameters
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dnl
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dnl GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2
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AC_DEFUN([GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2], [
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GLIBCXX_CHECK_MATH_DECL_2($1)
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if test x$glibcxx_cv_func_$1_use = x"yes"; then
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AC_CHECK_FUNCS($1)
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else
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GLIBCXX_CHECK_MATH_DECL_2(_$1)
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if test x$glibcxx_cv_func__$1_use = x"yes"; then
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AC_CHECK_FUNCS(_$1)
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fi
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fi
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GLIBCXX_MAYBE_UNDERSCORED_FUNCS($1)
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])
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl declared when using the c++ compiler
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dnl ASSUMES argument is a math function with THREE parameters
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dnl
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dnl GLIBCXX_CHECK_MATH_DECL_3
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AC_DEFUN([GLIBCXX_CHECK_MATH_DECL_3], [
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AC_MSG_CHECKING([for $1 declaration])
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if test x${glibcxx_cv_func_$1_use+set} != xset; then
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AC_CACHE_VAL(glibcxx_cv_func_$1_use, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <math.h>],
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[ $1(0, 0, 0);],
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[glibcxx_cv_func_$1_use=yes], [glibcxx_cv_func_$1_use=no])
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AC_LANG_RESTORE
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])
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fi
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AC_MSG_RESULT($glibcxx_cv_func_$1_use)
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])
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl
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dnl Define HAVE_CARGF etc if "cargf" is declared and links
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a math function with THREE parameters
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dnl
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dnl GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_3
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AC_DEFUN([GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_3], [
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GLIBCXX_CHECK_MATH_DECL_3($1)
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if test x$glibcxx_cv_func_$1_use = x"yes"; then
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AC_CHECK_FUNCS($1)
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else
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GLIBCXX_CHECK_MATH_DECL_3(_$1)
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if test x$glibcxx_cv_func__$1_use = x"yes"; then
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AC_CHECK_FUNCS(_$1)
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fi
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fi
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GLIBCXX_MAYBE_UNDERSCORED_FUNCS($1)
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])
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dnl
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dnl Check to see if the (stdlib function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a stdlib function without parameters
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dnl
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dnl GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_0
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AC_DEFUN([GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_0], [
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AC_MSG_CHECKING([for $1 declaration])
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if test x${glibcxx_cv_func_$1_use+set} != xset; then
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AC_CACHE_VAL(glibcxx_cv_func_$1_use, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <stdlib.h>],
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[ $1();],
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[glibcxx_cv_func_$1_use=yes], [glibcxx_cv_func_$1_use=no])
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AC_LANG_RESTORE
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])
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fi
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AC_MSG_RESULT($glibcxx_cv_func_$1_use)
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if test x$glibcxx_cv_func_$1_use = x"yes"; then
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AC_CHECK_FUNCS($1)
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fi
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])
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dnl
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dnl Check to see if the (stdlib function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a stdlib function with TWO parameters
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dnl
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dnl GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_2
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AC_DEFUN([GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_2], [
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AC_MSG_CHECKING([for $1 declaration])
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if test x${glibcxx_cv_func_$1_use+set} != xset; then
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AC_CACHE_VAL(glibcxx_cv_func_$1_use, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <stdlib.h>],
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[ $1(0, 0);],
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[glibcxx_cv_func_$1_use=yes], [glibcxx_cv_func_$1_use=no])
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AC_LANG_RESTORE
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])
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fi
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AC_MSG_RESULT($glibcxx_cv_func_$1_use)
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if test x$glibcxx_cv_func_$1_use = x"yes"; then
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AC_CHECK_FUNCS($1)
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fi
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GLIBCXX_MAYBE_UNDERSCORED_FUNCS($1)
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])
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dnl
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dnl Check to see if the (stdlib function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a stdlib function with THREE parameters
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dnl
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dnl GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_3
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AC_DEFUN([GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_3], [
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AC_MSG_CHECKING([for $1 declaration])
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if test x${glibcxx_cv_func_$1_use+set} != xset; then
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AC_CACHE_VAL(glibcxx_cv_func_$1_use, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <stdlib.h>],
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[ $1(0, 0, 0);],
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[glibcxx_cv_func_$1_use=yes], [glibcxx_cv_func_$1_use=no])
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AC_LANG_RESTORE
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])
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fi
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AC_MSG_RESULT($glibcxx_cv_func_$1_use)
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if test x$glibcxx_cv_func_$1_use = x"yes"; then
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AC_CHECK_FUNCS($1)
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fi
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])
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dnl
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dnl Check to see what the underlying c library is like
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dnl These checks need to do two things:
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dnl 1) make sure the name is declared when using the c++ compiler
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dnl 2) make sure the name has "C" linkage
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dnl This might seem like overkill but experience has shown that it's not...
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dnl
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dnl Define HAVE_STRTOLD if "strtold" is declared and links
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dnl Define HAVE_STRTOF if "strtof" is declared and links
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dnl
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dnl GLIBCXX_CHECK_STDLIB_SUPPORT
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AC_DEFUN([GLIBCXX_CHECK_STDLIB_SUPPORT], [
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ac_test_CXXFLAGS="${CXXFLAGS+set}"
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ac_save_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS='-fno-builtin -D_GNU_SOURCE'
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GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_2(strtold)
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GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_2(strtof)
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CXXFLAGS="$ac_save_CXXFLAGS"
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])
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dnl
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dnl Check to see what the underlying c library or math library is like.
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dnl These checks need to do two things:
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dnl 1) make sure the name is declared when using the c++ compiler
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dnl 2) make sure the name has "C" linkage
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dnl This might seem like overkill but experience has shown that it's not...
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dnl
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dnl Define HAVE_CARGF etc if "cargf" is found.
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dnl
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dnl GLIBCXX_CHECK_MATH_SUPPORT
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AC_DEFUN([GLIBCXX_CHECK_MATH_SUPPORT], [
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ac_test_CXXFLAGS="${CXXFLAGS+set}"
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ac_save_CXXFLAGS="$CXXFLAGS"
|
||
|
|
CXXFLAGS='-fno-builtin -D_GNU_SOURCE'
|
||
|
|
|
||
|
|
dnl Check libm
|
||
|
|
AC_CHECK_LIB(m, sin, libm="-lm")
|
||
|
|
ac_save_LIBS="$LIBS"
|
||
|
|
LIBS="$LIBS $libm"
|
||
|
|
|
||
|
|
dnl Check to see if certain C math functions exist.
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(isinf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(isnan)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(finite)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_3(sincos)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(fpclass)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(qfpclass)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(hypot)
|
||
|
|
|
||
|
|
dnl Check to see if basic C math functions have float versions.
|
||
|
|
GLIBCXX_CHECK_MATH_DECLS_AND_LINKAGES_1(float trig,
|
||
|
|
float_trig,
|
||
|
|
acosf asinf atanf \
|
||
|
|
cosf sinf tanf \
|
||
|
|
coshf sinhf tanhf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECLS_AND_LINKAGES_1(float round,
|
||
|
|
float_round,
|
||
|
|
ceilf floorf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(expf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(isnanf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(isinff)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(atan2f)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(fabsf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(fmodf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(frexpf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(hypotf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(ldexpf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(logf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(log10f)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(modff)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(modf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(powf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(sqrtf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_3(sincosf)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(finitef)
|
||
|
|
|
||
|
|
dnl Check to see if basic C math functions have long double versions.
|
||
|
|
GLIBCXX_CHECK_MATH_DECLS_AND_LINKAGES_1(long double trig,
|
||
|
|
long_double_trig,
|
||
|
|
acosl asinl atanl \
|
||
|
|
cosl sinl tanl \
|
||
|
|
coshl sinhl tanhl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECLS_AND_LINKAGES_1(long double round,
|
||
|
|
long_double_round,
|
||
|
|
ceill floorl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(isnanl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(isinfl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(atan2l)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(expl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(fabsl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(fmodl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(frexpl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(hypotl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(ldexpl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(logl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(log10l)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(modfl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2(powl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(sqrtl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_3(sincosl)
|
||
|
|
GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1(finitel)
|
||
|
|
|
||
|
|
LIBS="$ac_save_LIBS"
|
||
|
|
CXXFLAGS="$ac_save_CXXFLAGS"
|
||
|
|
])
|