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m4/ax_append_link_flags.m4
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Evgeny Grin (Karlson2k)
updated m4/ax_*.m4 macros
23 дек 2020, 22:57
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23 дек 2020, 22:57
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# =========================================================================== # https://www.gnu.org/software/autoconf-archive/ax_append_link_flags.html # =========================================================================== # # SYNOPSIS # # AX_APPEND_LINK_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS], [INPUT]) # # DESCRIPTION # # For every FLAG1, FLAG2 it is checked whether the linker works with the # flag. If it does, the flag is added FLAGS-VARIABLE # # If FLAGS-VARIABLE is not specified, the linker's flags (LDFLAGS) is # used. During the check the flag is always added to the linker's flags. # # If EXTRA-FLAGS is defined, it is added to the linker's default flags # when the check is done. The check is thus made with the flags: "LDFLAGS # EXTRA-FLAGS FLAG". This can for example be used to force the linker to # issue an error when a bad flag is given. # # INPUT gives an alternative input source to AC_COMPILE_IFELSE. # # NOTE: This macro depends on the AX_APPEND_FLAG and AX_CHECK_LINK_FLAG. # Please keep this macro in sync with AX_APPEND_COMPILE_FLAGS. # # LICENSE # # Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com> # # Copying and distribution of this file, with or without modification, are # permitted in any medium without royalty provided the copyright notice # and this notice are preserved. This file is offered as-is, without any # warranty. #serial 7 AC_DEFUN([AX_APPEND_LINK_FLAGS], [AX_REQUIRE_DEFINED([AX_CHECK_LINK_FLAG]) AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) for flag in $1; do AX_CHECK_LINK_FLAG([$flag], [AX_APPEND_FLAG([$flag], [m4_default([$2], [LDFLAGS])])], [], [$3], [$4]) done ])dnl AX_APPEND_LINK_FLAGS