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7ba46163c7
* Add generic platform support for Linux/m68k * Include sem_t when determining values for FB_ALIGNMENT and FB_DOUBLE_ALIGN On m68k, 'long long' is 16-bit aligned while 'sem_t' is 32-bit aligned and we must therefore include 'sem_t' when determining the values for FB_ALIGNMENT and FB_DOUBLE_ALIGN. Otherwise, the futex system call will fail on these systems. * Don't try to include headers for __cpuid on non-x86 targets * Make sure that the version scripts include _IO_stdin_used on Linux The GNU C library supports two ABIs for libio, one is the pre-2.1 ABI and the other is the current one. In order to determine which ABI is to be used, the C library checks whether the _IO_stdin_used symbol is exported by the executable. In case the symbol is present, the new ABI is assumed, if the symbol is missing, the old ABI is assumed. Thus, if an application is linked against a modern version of glibc, it must export the _IO_stdin_used symbol as otherwise the executable can crash or provoke other unexpected behavior on some architectures like PowerPC or MIPS because the C library is using the old ABI in this case.
85 lines
1.6 KiB
Bash
85 lines
1.6 KiB
Bash
#!/bin/sh
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#
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# The contents of this file are subject to the Initial
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# Developer's Public License Version 1.0 (the "License");
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# you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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# http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
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#
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# Software distributed under the License is distributed AS IS,
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# WITHOUT WARRANTY OF ANY KIND, either express or implied.
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# See the License for the specific language governing rights
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# and limitations under the License.
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#
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# The Original Code was created by Alex Peshkov
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# for the Firebird Open Source RDBMS project.
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#
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# Copyright (c) 2010 Alex Peshkov <peshkoff@mail.ru>
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# and all contributors signed below.
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#
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# All Rights Reserved.
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# Contributor(s): ______________________________________.
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#
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# Different echo versions interprete backslash escapes differently.
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# To avoid related problems lets have:
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TAB=" "
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platform_aix() {
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echo '#!'
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for i in `grep -v '#' ${1}`
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do
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echo "${TAB}$i"
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done
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}
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platform_darwin() {
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for i in `grep -v '#' ${1}`
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do
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echo "${TAB}_$i"
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done
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}
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platform_hpux() {
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for i in `grep -v '#' ${1}`
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do
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echo "+e $i"
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done
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}
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platform_linux() {
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echo '{'
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echo 'global:'
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for i in `grep -v '#' ${1}`
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do
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echo "${TAB}$i;"
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done
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echo "${TAB}_IO_stdin_used;"
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echo 'local:'
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echo "${TAB}*;"
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echo '};'
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}
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# main
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FILE=${1}
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if test -z "$FILE"
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then
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echo "Usage: vers.sh export-symbol-file-name"
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exit 1
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fi
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FROM="../builds/posix/$FILE"
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if test ! -f "$FROM"
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then
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echo "vers.sh: missing $FROM"
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exit 1
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fi
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TO="$FILE"
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platform_@EXPORT_SYMBOLS_STYLE@ $FROM >$TO
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