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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_3_X@10496 a592a061-630c-0410-9148-cb99ea01b6c8
45 lines
1.5 KiB
Plaintext
45 lines
1.5 KiB
Plaintext
dnl this is used by the macro blow to general a proper config.h.in entry
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m4_define([LYX_AH_CHECK_DECL],
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[AH_TEMPLATE(AS_TR_CPP(HAVE_DECL_$1),
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[Define if you have the prototype for function `$1'])])
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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, header1 header2...)
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dnl Defines HAVE_DECL_{FUNCTION}
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AC_DEFUN([LYX_CHECK_DECL],
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[LYX_AH_CHECK_DECL($1)
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for ac_header in $2
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do
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AC_MSG_CHECKING([if $1 is declared by header $ac_header])
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AC_EGREP_HEADER($1, $ac_header,
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[AC_MSG_RESULT(yes)
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AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_DECL_$1))
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break],
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[AC_MSG_RESULT(no)])
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done])
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dnl Set VAR to the canonically resolved absolute equivalent of PATHNAME,
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dnl (which may be a relative path, and need not refer to any existing
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dnl entity).
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dnl On Win32-MSYS build hosts, the returned path is resolved to its true
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dnl native Win32 path name, (but with slashes, not backslashes).
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dnl On any other system, it is simply the result which would be obtained
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dnl if PATHNAME represented an existing directory, and the pwd command was
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dnl executed in that directory.
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AC_DEFUN([MSYS_AC_CANONICAL_PATH],
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[ac_dir="$2"
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( exec 2>/dev/null; cd / && pwd -W ) | grep ':' >/dev/null &&
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ac_pwd_w="pwd -W" || ac_pwd_w=pwd
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until ac_val=`exec 2>/dev/null; cd "$ac_dir" && $ac_pwd_w`
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do
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ac_dir=`AS_DIRNAME(["$ac_dir"])`
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done
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ac_dir=`echo "$ac_dir" | sed 's?^[[./]]*??'`
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ac_val=`echo "$ac_val" | sed 's?/*$[]??'`
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$1=`echo "$2" | sed "s?^[[./]]*$ac_dir/*?$ac_val/?"'
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s?/*$[]??'`
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])
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