mirror of https://github.com/libsdl-org/SDL
autoconf: use ax_compute_relative_paths
This commit is contained in:
Anonymous Maarten
Anonymous Maarten
parent
dbf7940541
commit
65473ae36d
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@ -0,0 +1,173 @@
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# ==============================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_compute_relative_paths.html
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# ==============================================================================
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#
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# SYNOPSIS
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#
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# AX_COMPUTE_RELATIVE_PATHS(PATH_LIST)
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#
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# DESCRIPTION
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#
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# PATH_LIST is a space-separated list of colon-separated triplets of the
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# form 'FROM:TO:RESULT'. This function iterates over these triplets and
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# set $RESULT to the relative path from $FROM to $TO. Note that $FROM and
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# $TO needs to be absolute filenames for this macro to success.
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#
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# For instance,
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#
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# first=/usr/local/bin
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# second=/usr/local/share
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# AX_COMPUTE_RELATIVE_PATHS([first:second:fs second:first:sf])
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# # $fs is set to ../share
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# # $sf is set to ../bin
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#
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# $FROM and $TO are both eval'ed recursively and normalized, this means
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# that you can call this macro with autoconf's dirnames like `prefix' or
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# `datadir'. For example:
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#
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# AX_COMPUTE_RELATIVE_PATHS([bindir:datadir:bin_to_data])
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#
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# AX_COMPUTE_RELATIVE_PATHS should also works with DOS filenames.
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#
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# You may want to use this macro in order to make your package
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# relocatable. Instead of hardcoding $datadir into your programs just
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# encode $bin_to_data and try to determine $bindir at run-time.
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#
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# This macro requires AX_NORMALIZE_PATH and AX_RECURSIVE_EVAL.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Alexandre Duret-Lutz <adl@gnu.org>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
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# gives unlimited permission to copy, distribute and modify the configure
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# scripts that are the output of Autoconf when processing the Macro. You
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# need not follow the terms of the GNU General Public License when using
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
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#
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# This special exception to the GPL applies to versions of the Autoconf
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 12
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AU_ALIAS([ADL_COMPUTE_RELATIVE_PATHS], [AX_COMPUTE_RELATIVE_PATHS])
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AC_DEFUN([AX_COMPUTE_RELATIVE_PATHS],
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[for _lcl_i in $1; do
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_lcl_from=\[$]`echo "[$]_lcl_i" | sed 's,:.*$,,'`
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_lcl_to=\[$]`echo "[$]_lcl_i" | sed 's,^[[^:]]*:,,' | sed 's,:[[^:]]*$,,'`
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_lcl_result_var=`echo "[$]_lcl_i" | sed 's,^.*:,,'`
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AX_RECURSIVE_EVAL([[$]_lcl_from], [_lcl_from])
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AX_RECURSIVE_EVAL([[$]_lcl_to], [_lcl_to])
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_lcl_notation="$_lcl_from$_lcl_to"
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AX_NORMALIZE_PATH([_lcl_from],['/'])
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AX_NORMALIZE_PATH([_lcl_to],['/'])
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AX_COMPUTE_RELATIVE_PATH([_lcl_from], [_lcl_to], [_lcl_result_tmp])
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AX_NORMALIZE_PATH([_lcl_result_tmp],["[$]_lcl_notation"])
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eval $_lcl_result_var='[$]_lcl_result_tmp'
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done])
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## Note:
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## *****
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## The following helper macros are too fragile to be used out
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## of AX_COMPUTE_RELATIVE_PATHS (mainly because they assume that
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## paths are normalized), that's why I'm keeping them in the same file.
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## Still, some of them maybe worth to reuse.
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dnl AX_COMPUTE_RELATIVE_PATH(FROM, TO, RESULT)
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dnl ===========================================
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dnl Compute the relative path to go from $FROM to $TO and set the value
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dnl of $RESULT to that value. This function work on raw filenames
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dnl (for instead it will considerate /usr//local and /usr/local as
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dnl two distinct paths), you should really use AX_COMPUTE_RELATIVE_PATHS
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dnl instead to have the paths sanitized automatically.
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dnl
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dnl For instance:
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dnl first_dir=/somewhere/on/my/disk/bin
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dnl second_dir=/somewhere/on/another/disk/share
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dnl AX_COMPUTE_RELATIVE_PATH(first_dir, second_dir, first_to_second)
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dnl will set $first_to_second to '../../../another/disk/share'.
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AC_DEFUN([AX_COMPUTE_RELATIVE_PATH],
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[AX_COMPUTE_COMMON_PATH([$1], [$2], [_lcl_common_prefix])
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AX_COMPUTE_BACK_PATH([$1], [_lcl_common_prefix], [_lcl_first_rel])
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AX_COMPUTE_SUFFIX_PATH([$2], [_lcl_common_prefix], [_lcl_second_suffix])
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$3="[$]_lcl_first_rel[$]_lcl_second_suffix"])
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dnl AX_COMPUTE_COMMON_PATH(LEFT, RIGHT, RESULT)
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dnl ============================================
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dnl Compute the common path to $LEFT and $RIGHT and set the result to $RESULT.
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dnl
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dnl For instance:
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dnl first_path=/somewhere/on/my/disk/bin
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dnl second_path=/somewhere/on/another/disk/share
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dnl AX_COMPUTE_COMMON_PATH(first_path, second_path, common_path)
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dnl will set $common_path to '/somewhere/on'.
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AC_DEFUN([AX_COMPUTE_COMMON_PATH],
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[$3=''
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_lcl_second_prefix_match=''
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while test "[$]_lcl_second_prefix_match" != 0; do
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_lcl_first_prefix=`expr "x[$]$1" : "x\([$]$3/*[[^/]]*\)"`
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_lcl_second_prefix_match=`expr "x[$]$2" : "x[$]_lcl_first_prefix"`
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if test "[$]_lcl_second_prefix_match" != 0; then
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if test "[$]_lcl_first_prefix" != "[$]$3"; then
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$3="[$]_lcl_first_prefix"
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else
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_lcl_second_prefix_match=0
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fi
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fi
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done])
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dnl AX_COMPUTE_SUFFIX_PATH(PATH, SUBPATH, RESULT)
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dnl ==============================================
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dnl Subtract $SUBPATH from $PATH, and set the resulting suffix
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dnl (or the empty string if $SUBPATH is not a subpath of $PATH)
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dnl to $RESULT.
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dnl
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dnl For instance:
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dnl first_path=/somewhere/on/my/disk/bin
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dnl second_path=/somewhere/on
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dnl AX_COMPUTE_SUFFIX_PATH(first_path, second_path, common_path)
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dnl will set $common_path to '/my/disk/bin'.
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AC_DEFUN([AX_COMPUTE_SUFFIX_PATH],
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[$3=`expr "x[$]$1" : "x[$]$2/*\(.*\)"`])
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dnl AX_COMPUTE_BACK_PATH(PATH, SUBPATH, RESULT)
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dnl ============================================
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dnl Compute the relative path to go from $PATH to $SUBPATH, knowing that
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dnl $SUBPATH is a subpath of $PATH (any other words, only repeated '../'
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dnl should be needed to move from $PATH to $SUBPATH) and set the value
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dnl of $RESULT to that value. If $SUBPATH is not a subpath of PATH,
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dnl set $RESULT to the empty string.
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dnl
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dnl For instance:
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dnl first_path=/somewhere/on/my/disk/bin
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dnl second_path=/somewhere/on
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dnl AX_COMPUTE_BACK_PATH(first_path, second_path, back_path)
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dnl will set $back_path to '../../../'.
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AC_DEFUN([AX_COMPUTE_BACK_PATH],
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[AX_COMPUTE_SUFFIX_PATH([$1], [$2], [_lcl_first_suffix])
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$3=''
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_lcl_tmp='xxx'
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while test "[$]_lcl_tmp" != ''; do
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_lcl_tmp=`expr "x[$]_lcl_first_suffix" : "x[[^/]]*/*\(.*\)"`
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if test "[$]_lcl_first_suffix" != ''; then
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_lcl_first_suffix="[$]_lcl_tmp"
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$3="../[$]$3"
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fi
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done])
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@ -0,0 +1,115 @@
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# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_normalize_path.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_NORMALIZE_PATH(VARNAME, [REFERENCE_STRING])
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#
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# DESCRIPTION
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#
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# Perform some cleanups on the value of $VARNAME (interpreted as a path):
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#
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# - empty paths are changed to '.'
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# - trailing slashes are removed
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# - repeated slashes are squeezed except a leading doubled slash '//'
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# (which might indicate a networked disk on some OS).
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#
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# REFERENCE_STRING is used to turn '/' into '\' and vice-versa: if
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# REFERENCE_STRING contains some backslashes, all slashes and backslashes
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# are turned into backslashes, otherwise they are all turned into slashes.
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#
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# This makes processing of DOS filenames quite easier, because you can
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# turn a filename to the Unix notation, make your processing, and turn it
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# back to original notation.
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#
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# filename='A:\FOO\\BAR\'
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# old_filename="$filename"
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# # Switch to the unix notation
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# AX_NORMALIZE_PATH([filename], ["/"])
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# # now we have $filename = 'A:/FOO/BAR' and we can process it as if
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# # it was a Unix path. For instance let's say that you want
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# # to append '/subpath':
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# filename="$filename/subpath"
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# # finally switch back to the original notation
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# AX_NORMALIZE_PATH([filename], ["$old_filename"])
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# # now $filename equals to 'A:\FOO\BAR\subpath'
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#
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# One good reason to make all path processing with the unix convention is
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# that backslashes have a special meaning in many cases. For instance
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#
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# expr 'A:\FOO' : 'A:\Foo'
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#
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# will return 0 because the second argument is a regex in which
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# backslashes have to be backslashed. In other words, to have the two
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# strings to match you should write this instead:
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#
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# expr 'A:\Foo' : 'A:\\Foo'
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#
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# Such behavior makes DOS filenames extremely unpleasant to work with. So
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# temporary turn your paths to the Unix notation, and revert them to the
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# original notation after the processing. See the macro
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# AX_COMPUTE_RELATIVE_PATHS for a concrete example of this.
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#
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# REFERENCE_STRING defaults to $VARIABLE, this means that slashes will be
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# converted to backslashes if $VARIABLE already contains some backslashes
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# (see $thirddir below).
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#
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# firstdir='/usr/local//share'
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# seconddir='C:\Program Files\\'
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# thirddir='C:\home/usr/'
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# AX_NORMALIZE_PATH([firstdir])
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# AX_NORMALIZE_PATH([seconddir])
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# AX_NORMALIZE_PATH([thirddir])
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# # $firstdir = '/usr/local/share'
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# # $seconddir = 'C:\Program Files'
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# # $thirddir = 'C:\home\usr'
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#
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# LICENSE
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#
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# Copyright (c) 2008 Alexandre Duret-Lutz <adl@gnu.org>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
|
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# with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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# As a special exception, the respective Autoconf Macro's copyright owner
|
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# gives unlimited permission to copy, distribute and modify the configure
|
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# scripts that are the output of Autoconf when processing the Macro. You
|
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# need not follow the terms of the GNU General Public License when using
|
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# or distributing such scripts, even though portions of the text of the
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# Macro appear in them. The GNU General Public License (GPL) does govern
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# all other use of the material that constitutes the Autoconf Macro.
|
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#
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# This special exception to the GPL applies to versions of the Autoconf
|
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# Macro released by the Autoconf Archive. When you make and distribute a
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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#serial 8
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AU_ALIAS([ADL_NORMALIZE_PATH], [AX_NORMALIZE_PATH])
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AC_DEFUN([AX_NORMALIZE_PATH],
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[case ":[$]$1:" in
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# change empty paths to '.'
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::) $1='.' ;;
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# strip trailing slashes
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:*[[\\/]]:) $1=`echo "[$]$1" | sed 's,[[\\/]]*[$],,'` ;;
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:*:) ;;
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esac
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# squeeze repeated slashes
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case ifelse($2,,"[$]$1",$2) in
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# if the path contains any backslashes, turn slashes into backslashes
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*\\*) $1=`echo "[$]$1" | sed 's,\(.\)[[\\/]][[\\/]]*,\1\\\\,g'` ;;
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# if the path contains slashes, also turn backslashes into slashes
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*) $1=`echo "[$]$1" | sed 's,\(.\)[[\\/]][[\\/]]*,\1/,g'` ;;
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esac])
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@ -0,0 +1,56 @@
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# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_recursive_eval.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_RECURSIVE_EVAL(VALUE, RESULT)
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#
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# DESCRIPTION
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#
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# Interpolate the VALUE in loop until it doesn't change, and set the
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# result to $RESULT. WARNING: It's easy to get an infinite loop with some
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# unsane input.
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#
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# LICENSE
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#
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# Copyright (c) 2008 Alexandre Duret-Lutz <adl@gnu.org>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
|
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# Free Software Foundation; either version 2 of the License, or (at your
|
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# option) any later version.
|
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#
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# This program is distributed in the hope that it will be useful, but
|
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# WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
|
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# Public License for more details.
|
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#
|
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# You should have received a copy of the GNU General Public License along
|
||||
# with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
#
|
||||
# As a special exception, the respective Autoconf Macro's copyright owner
|
||||
# gives unlimited permission to copy, distribute and modify the configure
|
||||
# scripts that are the output of Autoconf when processing the Macro. You
|
||||
# need not follow the terms of the GNU General Public License when using
|
||||
# or distributing such scripts, even though portions of the text of the
|
||||
# Macro appear in them. The GNU General Public License (GPL) does govern
|
||||
# all other use of the material that constitutes the Autoconf Macro.
|
||||
#
|
||||
# This special exception to the GPL applies to versions of the Autoconf
|
||||
# Macro released by the Autoconf Archive. When you make and distribute a
|
||||
# modified version of the Autoconf Macro, you may extend this special
|
||||
# exception to the GPL to apply to your modified version as well.
|
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#serial 1
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AC_DEFUN([AX_RECURSIVE_EVAL],
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[_lcl_receval="$1"
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$2=`(test "x$prefix" = xNONE && prefix="$ac_default_prefix"
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test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
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_lcl_receval_old=''
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while test "[$]_lcl_receval_old" != "[$]_lcl_receval"; do
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_lcl_receval_old="[$]_lcl_receval"
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eval _lcl_receval="\"[$]_lcl_receval\""
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done
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echo "[$]_lcl_receval")`])
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@ -29580,14 +29580,101 @@ fi
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SDL_STATIC_LIBS="$EXTRA_LDFLAGS"
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eval pkg_prefix=$prefix
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eval pkg_cmakedir=$libdir/cmake/SDL2
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cmake_prefix_relpath="$(echo -n "$pkg_cmakedir" | sed -E "s#^$pkg_prefix##" | sed -E "s#[A-Za-z0-9_ .-]+#..#g" )"
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pkg_cmakedir='$libdir/cmake/SDL2'
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for _lcl_i in pkg_cmakedir:prefix:cmake_prefix_relpath bindir:prefix:bin_prefix_relpath; do
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_lcl_from=\$`echo "$_lcl_i" | sed 's,:.*$,,'`
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_lcl_to=\$`echo "$_lcl_i" | sed 's,^[^:]*:,,' | sed 's,:[^:]*$,,'`
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_lcl_result_var=`echo "$_lcl_i" | sed 's,^.*:,,'`
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_lcl_receval="$_lcl_from"
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_lcl_from=`(test "x$prefix" = xNONE && prefix="$ac_default_prefix"
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test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
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_lcl_receval_old=''
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while test "$_lcl_receval_old" != "$_lcl_receval"; do
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_lcl_receval_old="$_lcl_receval"
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eval _lcl_receval="\"$_lcl_receval\""
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done
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echo "$_lcl_receval")`
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_lcl_receval="$_lcl_to"
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_lcl_to=`(test "x$prefix" = xNONE && prefix="$ac_default_prefix"
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test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
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_lcl_receval_old=''
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while test "$_lcl_receval_old" != "$_lcl_receval"; do
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_lcl_receval_old="$_lcl_receval"
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eval _lcl_receval="\"$_lcl_receval\""
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done
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echo "$_lcl_receval")`
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_lcl_notation="$_lcl_from$_lcl_to"
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case ":$_lcl_from:" in
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# change empty paths to '.'
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::) _lcl_from='.' ;;
|
||||
# strip trailing slashes
|
||||
:*[\\/]:) _lcl_from=`echo "$_lcl_from" | sed 's,[\\/]*$,,'` ;;
|
||||
:*:) ;;
|
||||
esac
|
||||
# squeeze repeated slashes
|
||||
case '/' in
|
||||
# if the path contains any backslashes, turn slashes into backslashes
|
||||
*\\*) _lcl_from=`echo "$_lcl_from" | sed 's,\(.\)[\\/][\\/]*,\1\\\\,g'` ;;
|
||||
# if the path contains slashes, also turn backslashes into slashes
|
||||
*) _lcl_from=`echo "$_lcl_from" | sed 's,\(.\)[\\/][\\/]*,\1/,g'` ;;
|
||||
esac
|
||||
case ":$_lcl_to:" in
|
||||
# change empty paths to '.'
|
||||
::) _lcl_to='.' ;;
|
||||
# strip trailing slashes
|
||||
:*[\\/]:) _lcl_to=`echo "$_lcl_to" | sed 's,[\\/]*$,,'` ;;
|
||||
:*:) ;;
|
||||
esac
|
||||
# squeeze repeated slashes
|
||||
case '/' in
|
||||
# if the path contains any backslashes, turn slashes into backslashes
|
||||
*\\*) _lcl_to=`echo "$_lcl_to" | sed 's,\(.\)[\\/][\\/]*,\1\\\\,g'` ;;
|
||||
# if the path contains slashes, also turn backslashes into slashes
|
||||
*) _lcl_to=`echo "$_lcl_to" | sed 's,\(.\)[\\/][\\/]*,\1/,g'` ;;
|
||||
esac
|
||||
_lcl_common_prefix=''
|
||||
_lcl_second_prefix_match=''
|
||||
while test "$_lcl_second_prefix_match" != 0; do
|
||||
_lcl_first_prefix=`expr "x$_lcl_from" : "x\($_lcl_common_prefix/*[^/]*\)"`
|
||||
_lcl_second_prefix_match=`expr "x$_lcl_to" : "x$_lcl_first_prefix"`
|
||||
if test "$_lcl_second_prefix_match" != 0; then
|
||||
if test "$_lcl_first_prefix" != "$_lcl_common_prefix"; then
|
||||
_lcl_common_prefix="$_lcl_first_prefix"
|
||||
else
|
||||
_lcl_second_prefix_match=0
|
||||
fi
|
||||
fi
|
||||
done
|
||||
_lcl_first_suffix=`expr "x$_lcl_from" : "x$_lcl_common_prefix/*\(.*\)"`
|
||||
_lcl_first_rel=''
|
||||
_lcl_tmp='xxx'
|
||||
while test "$_lcl_tmp" != ''; do
|
||||
_lcl_tmp=`expr "x$_lcl_first_suffix" : "x[^/]*/*\(.*\)"`
|
||||
if test "$_lcl_first_suffix" != ''; then
|
||||
_lcl_first_suffix="$_lcl_tmp"
|
||||
_lcl_first_rel="../$_lcl_first_rel"
|
||||
fi
|
||||
done
|
||||
_lcl_second_suffix=`expr "x$_lcl_to" : "x$_lcl_common_prefix/*\(.*\)"`
|
||||
_lcl_result_tmp="$_lcl_first_rel$_lcl_second_suffix"
|
||||
case ":$_lcl_result_tmp:" in
|
||||
# change empty paths to '.'
|
||||
::) _lcl_result_tmp='.' ;;
|
||||
# strip trailing slashes
|
||||
:*[\\/]:) _lcl_result_tmp=`echo "$_lcl_result_tmp" | sed 's,[\\/]*$,,'` ;;
|
||||
:*:) ;;
|
||||
esac
|
||||
# squeeze repeated slashes
|
||||
case "$_lcl_notation" in
|
||||
# if the path contains any backslashes, turn slashes into backslashes
|
||||
*\\*) _lcl_result_tmp=`echo "$_lcl_result_tmp" | sed 's,\(.\)[\\/][\\/]*,\1\\\\,g'` ;;
|
||||
# if the path contains slashes, also turn backslashes into slashes
|
||||
*) _lcl_result_tmp=`echo "$_lcl_result_tmp" | sed 's,\(.\)[\\/][\\/]*,\1/,g'` ;;
|
||||
esac
|
||||
eval $_lcl_result_var='$_lcl_result_tmp'
|
||||
done
|
||||
|
||||
|
||||
eval pkg_bindir=$bindir
|
||||
bin_prefix_relpath="$(echo -n "pkg_bindir" | sed -E "s#^$pkg_prefix##" | sed -E "s#[A-Za-z0-9_ .-]+#..#g" )"
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
10
configure.ac
10
configure.ac
|
|
@ -4773,14 +4773,10 @@ fi
|
|||
SDL_STATIC_LIBS="$EXTRA_LDFLAGS"
|
||||
|
||||
dnl Calculate the location of the prefix, relative to the cmake folder
|
||||
eval pkg_prefix=$prefix
|
||||
eval pkg_cmakedir=$libdir/cmake/SDL2
|
||||
cmake_prefix_relpath="$(echo -n "$pkg_cmakedir" | sed -E "s#^$pkg_prefix##" | sed -E "s#[A-Za-z0-9_ .-]+#..#g" )"
|
||||
AC_SUBST([cmake_prefix_relpath])
|
||||
|
||||
dnl Calculate the location of the prefix, relative to bindir
|
||||
eval pkg_bindir=$bindir
|
||||
bin_prefix_relpath="$(echo -n "pkg_bindir" | sed -E "s#^$pkg_prefix##" | sed -E "s#[A-Za-z0-9_ .-]+#..#g" )"
|
||||
pkg_cmakedir='$libdir/cmake/SDL2'
|
||||
AX_COMPUTE_RELATIVE_PATHS([pkg_cmakedir:prefix:cmake_prefix_relpath bindir:prefix:bin_prefix_relpath])
|
||||
AC_SUBST([cmake_prefix_relpath])
|
||||
AC_SUBST([bin_prefix_relpath])
|
||||
|
||||
dnl Expand the cflags and libraries needed by apps using SDL
|
||||
|
|
|
|||
|
|
@ -25,7 +25,7 @@ macro(check_required_components _NAME)
|
|||
endforeach()
|
||||
endmacro()
|
||||
|
||||
get_filename_component(prefix "${CMAKE_CURRENT_LIST_DIR}@cmake_prefix_relpath@" ABSOLUTE)
|
||||
get_filename_component(prefix "${CMAKE_CURRENT_LIST_DIR}/@cmake_prefix_relpath@" ABSOLUTE)
|
||||
set(exec_prefix "@exec_prefix@")
|
||||
set(bindir "@bindir@")
|
||||
set(libdir "@libdir@")
|
||||
|
|
|
|||
Loading…
Reference in New Issue