mirror of
https://github.com/netwide-assembler/nasm.git
synced 2024-11-21 03:14:19 +08:00
675e7b7d79
On Windows we need to use _stati64/_fstati64 in order to handle large file sizes, but the handling was broken in the canned MSVC++ configuration. Clean it up and fix it. This addresses BR 3392398. Reported-by: Nikolai Saoukh <nms@otdel-1.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
221 lines
6.5 KiB
Plaintext
221 lines
6.5 KiB
Plaintext
dnl Process this file with autoconf 2.63 or later to produce
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dnl a configure script.
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AC_PREREQ(2.63)
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AC_INIT(config/config.h.in)
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AC_CONFIG_HEADERS(config/config.h)
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AC_PREFIX_PROGRAM(nasm)
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dnl Save initial CFLAGS, to see if -g -O2 came from configure or not
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pa_init_cflags="$CFLAGS"
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dnl Checks for programs and enable necessary CC extensions
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AC_USE_SYSTEM_EXTENSIONS
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AC_SYS_LARGEFILE
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AC_PROG_CC
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AC_PROG_CC_STDC
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AC_PROG_LN_S
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AC_PROG_MAKE_SET
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AC_PROG_INSTALL
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dnl If the user did not specify a CFLAGS default, change default -O2 to -O3
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if test x"$pa_init_cflags" = x; then
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CFLAGS=`echo "$CFLAGS" | sed -e 's/-O2/-O3/'`
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fi
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dnl Check for library extension
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PA_LIBEXT
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_C_INLINE
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AC_C_RESTRICT
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AC_TYPE_SIZE_T
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AC_C_BIGENDIAN(AC_DEFINE(WORDS_BIGENDIAN),AC_DEFINE(WORDS_LITTLEENDIAN),,)
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AH_TEMPLATE(WORDS_BIGENDIAN,
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[Define to 1 if your processor stores words with the most significant
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byte first (like Motorola and SPARC, unlike Intel and VAX).])
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AH_TEMPLATE(WORDS_LITTLEENDIAN,
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[Define to 1 if your processor stores words with the least significant
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byte first (like Intel and VAX, unlike Motorola and SPARC).])
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dnl Force gcc and gcc-compatible compilers treat signed integers
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dnl as 2's complement
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PA_ADD_CFLAGS([-fwrapv])
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dnl Some environments abuse __STRICT_ANSI__ to disable some
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dnl function declarations
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PA_ADD_CFLAGS([-U__STRICT_ANSI__])
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dnl Don't put things in common if we can avoid it. We don't want to
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dnl assume all compilers support common, and this will help find those
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dnl problems. This also works around an OSX linker problem.
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PA_ADD_CFLAGS([-fno-common])
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dnl Look for programs...
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AC_CHECK_PROGS(NROFF, nroff, false)
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AC_CHECK_PROGS(ASCIIDOC, asciidoc, false)
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AC_CHECK_PROGS(XMLTO, xmlto, false)
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AC_CHECK_PROGS(ACRODIST, acrodist, false)
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AC_CHECK_PROGS(PS2PDF, ps2pdf, false)
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AC_CHECK_PROGS(PSTOPDF, pstopdf, false)
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dnl Check for progs needed for manpage generation
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if test $ASCIIDOC = false; then
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AC_MSG_WARN([No asciidoc package found])
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fi
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if test $XMLTO = false; then
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AC_MSG_WARN([No xmlto package found])
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fi
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dnl Check for host compiler tools
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, :)
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AC_CHECK_TOOL(STRIP, strip)
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dnl Checks for header files.
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AC_HEADER_STDC
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AC_CHECK_HEADERS(inttypes.h)
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AC_CHECK_HEADERS(strings.h)
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AC_HEADER_STDBOOL
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AC_CHECK_HEADERS(stdnoreturn.h)
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AC_CHECK_HEADERS(io.h)
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AC_CHECK_HEADERS(fcntl.h)
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AC_CHECK_HEADERS(unistd.h)
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AC_CHECK_HEADERS(sys/param.h)
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AC_CHECK_HEADERS(sys/mman.h)
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AC_CHECK_HEADERS(sys/types.h)
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AC_CHECK_HEADERS(sys/stat.h)
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dnl Checks for library functions.
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AC_CHECK_FUNCS(strcasecmp stricmp)
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AC_CHECK_FUNCS(strncasecmp strnicmp)
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AC_CHECK_FUNCS(strsep)
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AC_CHECK_FUNCS(strnlen)
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AC_CHECK_FUNCS(getuid)
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AC_CHECK_FUNCS(getgid)
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AC_CHECK_FUNCS(realpath)
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AC_CHECK_FUNCS(canonicalize_file_name)
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AC_CHECK_FUNCS(_fullpath)
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AC_CHECK_FUNCS(pathconf)
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AC_FUNC_FSEEKO
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AC_CHECK_FUNCS([_fseeki64])
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AC_CHECK_FUNCS([ftruncate _chsize _chsize_s])
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AC_CHECK_FUNCS([fileno _fileno])
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AC_CHECK_FUNCS(_filelengthi64)
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AC_CHECK_FUNCS([stat _stati64])
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AC_CHECK_FUNCS([fstat _fstati64])
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AC_FUNC_MMAP
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AC_CHECK_FUNCS(getpagesize)
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AC_CHECK_FUNCS(sysconf)
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AC_CHECK_FUNCS([access _access faccessat])
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PA_HAVE_FUNC(__builtin_clz, (0U))
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PA_HAVE_FUNC(__builtin_clzl, (0UL))
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PA_HAVE_FUNC(__builtin_clzll, (0ULL))
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PA_HAVE_FUNC(__builtin_expect, (1,1))
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dnl Functions for which we have replacements available in lib/
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AC_CHECK_FUNCS([vsnprintf _vsnprintf])
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AC_CHECK_FUNCS([snprintf _snprintf])
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AC_CHECK_FUNCS([strlcpy])
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dnl Check for functions that might not be declared in the headers for
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dnl various idiotic reasons (mostly because of library authors
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dnl abusing the meaning of __STRICT_ANSI__)
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AC_CHECK_DECLS(strcasecmp)
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AC_CHECK_DECLS(stricmp)
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AC_CHECK_DECLS(strncasecmp)
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AC_CHECK_DECLS(strnicmp)
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AC_CHECK_DECLS(strsep)
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AC_CHECK_DECLS(strlcpy)
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AC_CHECK_DECLS(strnlen)
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dnl Check for missing types
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AC_TYPE_UINTPTR_T
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dnl
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dnl Check for supported gcc attributes; some compilers (e.g. Sun CC)
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dnl support these, but don't define __GNUC__ as they don't support
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dnl some other features of gcc.
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dnl
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PA_ADD_CFLAGS([-Werror=attributes])
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PA_FUNC_ATTRIBUTE(noreturn)
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PA_FUNC_ATTRIBUTE(returns_nonnull)
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PA_FUNC_ATTRIBUTE(malloc)
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PA_FUNC_ATTRIBUTE(alloc_size, (1))
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PA_FUNC_ATTRIBUTE(format, [(printf,1,2)], int, [const char *, ...], ["%d",1])
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PA_FUNC_ATTRIBUTE(const)
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PA_FUNC_ATTRIBUTE(pure)
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PA_FUNC_ATTRIBUTE_ERROR
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dnl
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dnl support function sections
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dnl
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AC_ARG_ENABLE([sections],
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[AC_HELP_STRING([--enable-sections], [compile with function/data section support])],
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[PA_ADD_CFLAGS([-ffunction-sections]),
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PA_ADD_CFLAGS([-fdata-sections])],
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[])
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dnl
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dnl support LTO
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dnl
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AC_ARG_ENABLE([lto],
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[AC_HELP_STRING([--enable-lto], [compile with gcc link time optimization])],
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[PA_ADD_CLDFLAGS([-flto])
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dnl Note: we use _PROG rather than _TOOL since we are prepending the full
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dnl CC name which ought to already contain the host triplet if needed
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ccbase=`echo "$CC" | awk '{ print $1; }'`
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AC_CHECK_PROG(CC_AR, [${ccbase}-ar], [${ccbase}-ar], [$ac_cv_prog_AR])
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AR="$CC_AR"
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AC_CHECK_PROG(CC_RANLIB, [${ccbase}-ranlib], [${ccbase}-ranlib], [$ac_cv_prog_RANLIB])
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RANLIB="$CC_RANLIB"
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], [])
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dnl If we have gcc, add appropriate code cleanliness options
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PA_ADD_CFLAGS([-W])
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PA_ADD_CFLAGS([-Wall])
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PA_ADD_CFLAGS([-pedantic])
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dnl LLVM doesn't error out on invalid -W options unless this option is
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dnl specified first. Enable this so this script can actually discover
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dnl which -W options are possible for this compiler.
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PA_ADD_CFLAGS([-Werror=unknown-warning-option])
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dnl Suppress format warning on Windows targets due to their <inttypes.h>
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PA_ADD_CFLAGS([-Wpedantic-ms-format],[-Wno-pedantic-ms-format])
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PA_ADD_CFLAGS([-Wc90-c99-compat])
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PA_ADD_CFLAGS([-Wlong-long],[-Wno-long-long])
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dnl PA_ADD_CFLAGS([-Wwrite-strings])
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AC_ARG_ENABLE([werror],
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[AC_HELP_STRING([--enable-werror],
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[compile with -Werror to error out on any warning])],
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[], [enable_werror=no])
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AS_IF([test x"$enable_werror" != xno],
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[PA_ADD_CFLAGS([-Werror])],
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[PA_ADD_CFLAGS([-Werror=implicit])
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PA_ADD_CFLAGS([-Werror=missing-braces])
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PA_ADD_CFLAGS([-Werror=return-type])
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PA_ADD_CFLAGS([-Werror=trigraphs])
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PA_ADD_CFLAGS([-Werror=pointer-arith])
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PA_ADD_CFLAGS([-Werror=strict-prototypes])
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PA_ADD_CFLAGS([-Werror=missing-prototypes])
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PA_ADD_CFLAGS([-Werror=missing-declarations])
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PA_ADD_CFLAGS([-Werror=comment])
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PA_ADD_CFLAGS([-Werror=vla])])
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dnl
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dnl support ccache
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dnl
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AC_ARG_ENABLE([ccache],
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[AC_HELP_STRING([--enable-ccache], [compile with ccache])],
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[CC="ccache $CC"],
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[])
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AC_OUTPUT_COMMANDS([mkdir -p config nasmlib nsis output stdlib x86 asm disasm])
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AC_OUTPUT(Makefile rdoff/Makefile doc/Makefile)
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