configure: modernize autoconf usage
In particular: - quote several macro arguments properly - switch to the extended version of AC_INIT - replace AM_CONFIG_HEADER by AC_CONFIG_HEADERS - remove obsolete extra AC_CHECK_SIZEOF param - upgrade minimal automake version from 1.7 to 1.11 (which is when dist-xz was introduced) Signed-off-by: Max Horn <max@quendi.de>
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configure.ac
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configure.ac
@ -19,10 +19,11 @@
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# instead of FLAC__ since autoconf triggers off 'AC_' in strings
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AC_PREREQ(2.60)
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AC_INIT([flac], [1.2.1])
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AC_INIT([flac], [1.2.1], [flac-dev@xiph.org], [flac], [http://flac.sourceforge.net/])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_SRCDIR([src/flac/main.c])
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AC_CONFIG_MACRO_DIR([m4])
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AM_INIT_AUTOMAKE([foreign 1.7 -Wall tar-pax no-dist-gzip dist-xz subdir-objects])
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AM_INIT_AUTOMAKE([foreign 1.11 -Wall tar-pax no-dist-gzip dist-xz subdir-objects])
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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user_cflags=$CFLAGS
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@ -39,18 +40,16 @@ AC_PROG_MAKE_SET
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AC_SYS_LARGEFILE
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AC_FUNC_FSEEKO
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AC_CHECK_SIZEOF(void*,0)
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AC_CHECK_SIZEOF([void*])
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AC_SEARCH_LIBS([lround],[m], [AC_DEFINE(HAVE_LROUND,1,lround support)])
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#@@@ new name is AC_CONFIG_HEADERS
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AM_CONFIG_HEADER(config.h)
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AC_LANG_PUSH(C++)
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AC_LANG_PUSH([C++])
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# c++ flavor first
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AC_C_VARARRAYS
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if test $ac_cv_c_vararrays = yes; then
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AC_DEFINE([HAVE_CXX_VARARRAYS], 1, [Define to 1 if C++ supports variable-length arrays.])
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fi
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AC_LANG_POP(C++)
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AC_LANG_POP([C++])
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# c flavor
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AC_HEADER_STDC
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