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https://github.com/moparisthebest/curl
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option to specify dis(activation) of compiler optimizations. If option is specified, it will be honored independant of the --(dis|en)able-debug option.
150 lines
5.3 KiB
Plaintext
150 lines
5.3 KiB
Plaintext
#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at http://curl.haxx.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# $Id$
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#***************************************************************************
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# File version for 'aclocal' use. Keep it a single number.
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# serial 3
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dnl CURL_CHECK_OPTION_DEBUG
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dnl -------------------------------------------------
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dnl Verify if configure has been invoked with option
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dnl --enable-debug or --disable-debug, and set shell
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dnl variable want_debug value as appropriate.
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AC_DEFUN([CURL_CHECK_OPTION_DEBUG], [
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AC_BEFORE([$0],[CURL_CHECK_OPTION_WARNINGS])dnl
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AC_BEFORE([$0],[CURL_CHECK_PROG_CC])dnl
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AC_MSG_CHECKING([whether to enable debug build options])
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OPT_DEBUG_BUILD="default"
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AC_ARG_ENABLE(debug,
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AC_HELP_STRING([--enable-debug],[Enable debug build options])
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AC_HELP_STRING([--disable-debug],[Disable debug build options]),
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OPT_DEBUG_BUILD=$enableval)
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case "$OPT_DEBUG_BUILD" in
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no)
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dnl --disable-debug option used
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want_debug="no"
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;;
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default)
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dnl configure option not specified
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want_debug="no"
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;;
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*)
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dnl --enable-debug option used
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want_debug="yes"
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;;
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esac
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AC_MSG_RESULT([$want_debug])
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])
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dnl CURL_CHECK_OPTION_OPTIMIZE
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dnl -------------------------------------------------
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dnl Verify if configure has been invoked with option
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dnl --enable-optimize or --disable-optimize, and set
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dnl shell variable want_optimize value as appropriate.
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AC_DEFUN([CURL_CHECK_OPTION_OPTIMIZE], [
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AC_REQUIRE([CURL_CHECK_OPTION_DEBUG])dnl
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AC_BEFORE([$0],[CURL_CHECK_PROG_CC])dnl
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AC_MSG_CHECKING([whether to enable compiler optimizer])
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OPT_COMPILER_OPTIMIZE="default"
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AC_ARG_ENABLE(optimize,
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AC_HELP_STRING([--enable-optimize],[Enable compiler optimizations])
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AC_HELP_STRING([--disable-optimize],[Disable compiler optimizations]),
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OPT_COMPILER_OPTIMIZE=$enableval)
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case "$OPT_COMPILER_OPTIMIZE" in
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no)
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dnl --disable-optimize option used. We will handle this as
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dnl a request to disable compiler optimizations if possible.
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dnl If the compiler is known CFLAGS and CPPFLAGS will be
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dnl overridden, otherwise this can not be honored.
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want_optimize="no"
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AC_MSG_RESULT([no])
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;;
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default)
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dnl configure's optimize option not specified. Initially we will
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dnl handle this as a a request contrary to configure's setting
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dnl for --enable-debug. IOW, initially, for debug-enabled builds
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dnl this will be handled as a request to disable optimizations if
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dnl possible, and for debug-disabled builds this will be handled
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dnl initially as a request to enable optimizations if possible.
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dnl Finally, if the compiler is known and CFLAGS and CPPFLAGS do
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dnl not have any optimizer flag the request will be honored, in
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dnl any other case the request can not be honored.
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dnl IOW, existing optimizer flags defined in CFLAGS or CPPFLAGS
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dnl will always take precedence over any initial assumption.
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if test "$want_debug" = "yes"; then
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want_optimize="assume_no"
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AC_MSG_RESULT([not specified (assuming no)])
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else
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want_optimize="assume_yes"
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AC_MSG_RESULT([not specified (assuming yes)])
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fi
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;;
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*)
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dnl --enable-optimize option used. We will handle this as
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dnl a request to enable compiler optimizations if possible.
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dnl If the compiler is known CFLAGS and CPPFLAGS will be
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dnl overridden, otherwise this can not be honored.
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want_optimize="yes"
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AC_MSG_RESULT([yes])
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;;
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esac
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])
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dnl CURL_CHECK_OPTION_WARNINGS
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dnl -------------------------------------------------
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dnl Verify if configure has been invoked with option
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dnl --enable-warnings or --disable-warnings, and set
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dnl shell variable want_warnings as appropriate.
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AC_DEFUN([CURL_CHECK_OPTION_WARNINGS], [
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AC_REQUIRE([CURL_CHECK_OPTION_DEBUG])dnl
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AC_BEFORE([$0],[CURL_CHECK_PROG_CC])dnl
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AC_MSG_CHECKING([whether to enable strict compiler warnings])
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OPT_COMPILER_WARNINGS="default"
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AC_ARG_ENABLE(warnings,
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AC_HELP_STRING([--enable-warnings],[Enable strict compiler warnings])
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AC_HELP_STRING([--disable-warnings],[Disable strict compiler warnings]),
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OPT_COMPILER_WARNINGS=$enableval)
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case "$OPT_COMPILER_WARNINGS" in
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no)
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dnl --disable-warnings option used
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want_warnings="no"
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;;
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default)
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dnl configure option not specified, so
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dnl use same setting as --enable-debug
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want_warnings="$want_debug"
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;;
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*)
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dnl --enable-warnings option used
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want_warnings="yes"
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;;
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esac
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AC_MSG_RESULT([$want_warnings])
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])
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