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46 lines
1.9 KiB
Plaintext
46 lines
1.9 KiB
Plaintext
# SYNOPSIS
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#
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# MHD_FIND_ADD_CC_CFLAG_IFELSE([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
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# [VARIABLE-TO-EXTEND],
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# [FLAG1-TO-TEST], [FLAG2-TO-TEST], ...)
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#
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# DESCRIPTION
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#
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# This macro checks whether the specific compiler flags are supported.
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# The flags are checked one-by-one. The checking is stopped when the first
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# supported flag found.
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# The checks are performing by appending FLAGx-TO-TEST to the value of
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# VARIABLE-TO-EXTEND (CFLAGS if not specified), then prepending result to
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# CFLAGS (unless VARIABLE-TO-EXTEND is CFLAGS), and then performing compile
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# and link test. If test succeed without warnings, then the flag is added to
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# VARIABLE-TO-EXTEND and next flags are not checked. If compile-link cycle
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# cannot be performed without warning with all tested flags, no flag is
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# added to the VARIABLE-TO-EXTEND.
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# If any suitable flag is found, ACTION-IF-FOUND is executed otherwise
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# ACTION-IF-NOT-FOUND is executed. Found flag (if any) is available as
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# value of shell variable $mhd_cc_found_flag during action execution.
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#
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# Example usage:
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#
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# MHD_FIND_ADD_CC_CFLAG_IFELSE([AC_MSG_NOTICE([Enabled debug information])],
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# [],
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# [additional_CFLAGS],
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# [-ggdb3], [-g3], [-ggdb], [-g])
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#
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# Note: Unlike others MHD_CHECK_*CC_CFLAG* macro, this macro uses another
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# order of parameters.
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#
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# LICENSE
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#
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# Copyright (c) 2022 Karlson2k (Evgeny Grin) <k2k@narod.ru>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 1
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AC_DEFUN([MHD_FIND_ADD_CC_CFLAG_IFELSE],[dnl
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_MHD_FIND_ADD_CC_XFLAG([[CFLAGS]],$@)])
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