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e04436f0f4
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@6347 a592a061-630c-0410-9148-cb99ea01b6c8
84 lines
3.0 KiB
Plaintext
84 lines
3.0 KiB
Plaintext
dnl We use this until autoconf fixes its version.
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AC_DEFUN(LYX_FUNC_SELECT_ARGTYPES,
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[AC_MSG_CHECKING([types of arguments for select()])
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AC_CACHE_VAL(ac_cv_func_select_arg234,dnl
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[AC_CACHE_VAL(ac_cv_func_select_arg1,dnl
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[AC_CACHE_VAL(ac_cv_func_select_arg5,dnl
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[for ac_cv_func_select_arg234 in 'fd_set *' 'int *' 'void *'; do
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for ac_cv_func_select_arg1 in 'int' 'size_t' 'unsigned long' 'unsigned'; do for ac_cv_func_select_arg5 in 'struct timeval *' 'const struct timeval *'; do
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AC_TRY_COMPILE(dnl
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[#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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extern int select ($ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5);],,dnl
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[ac_not_found=no ; break 3],ac_not_found=yes)
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done
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done
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done
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])dnl AC_CACHE_VAL
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])dnl AC_CACHE_VAL
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])dnl AC_CACHE_VAL
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if test "$ac_not_found" = yes; then
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ac_cv_func_select_arg1=int
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ac_cv_func_select_arg234='int *'
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ac_cv_func_select_arg5='struct timeval *'
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fi
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AC_MSG_RESULT([$ac_cv_func_select_arg1,$ac_cv_func_select_arg234,$ac_cv_func_select_arg5])
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AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG1,$ac_cv_func_select_arg1,
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[Define to the type of arg1 for select().])
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AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG234,($ac_cv_func_select_arg234),
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[Define to the type of args 2, 3 and 4 for select().])
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AC_DEFINE_UNQUOTED(SELECT_TYPE_ARG5,($ac_cv_func_select_arg5),
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[Define to the type of arg5 for select().])
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])
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dnl Check things are declared in headers to avoid errors or warnings.
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dnl Called like LYX_CHECK_DECL(function, headerfile)
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dnl Defines HAVE_DECL_{FUNCTION}
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AC_DEFUN(LYX_CHECK_DECL,
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[AC_MSG_CHECKING(if $1 is declared by header $2)
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tr_func=`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
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tr_hdr=`echo $2 | tr . _`
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AC_CACHE_VAL([lyx_cv_declare_${tr_hdr}_$1],
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[AC_EGREP_HEADER($1, $2, [eval "lyx_cv_declare_${tr_hdr}_$1=yes"], [eval "lyx_cv_declare_${tr_hdr}_$1=no"])])
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if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
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AC_DEFINE_UNQUOTED(HAVE_DECL_${tr_func},1,[dummy])
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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fi])
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dnl This is the multiple headers version of the LYX_CHECK_DECL macro above.
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dnl Called like LYX_CHECK_DECL_HDRS(function, file1 file2 file3)
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AC_DEFUN(LYX_CHECK_DECL_HDRS,
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[ got="no"
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for I in $2; do
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tr_hdr=`echo $I | tr . _`
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if test "${got}" = "no"; then
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LYX_CHECK_DECL($1, $I)
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fi
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if eval "test \"\${lyx_cv_declare_${tr_hdr}_$1}\" = \"yes\""; then
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got="yes"
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fi
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done])
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# Copied from autoconf 2.53's general.m4
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m4_define([AC_HELP_STRING],
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[m4_pushdef([AC_Prefix], m4_default([$3], [ ]))dnl
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m4_pushdef([AC_Prefix_Format],
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[ %-]m4_eval(m4_len(AC_Prefix) - 3)[s ])dnl [ %-23s ]
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m4_text_wrap([$2], AC_Prefix, m4_format(AC_Prefix_Format, [$1]))dnl
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m4_popdef([AC_Prefix_Format])dnl
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m4_popdef([AC_Prefix])dnl
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])
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