mirror of
https://github.com/rakshasa/rtorrent.git
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rakshasa
eb8fecbc34
git-svn-id: svn://rakshasa.no/libtorrent/trunk/rtorrent@585 e378c898-3ddf-0310-93e7-cc216c733640
149 lines
3.4 KiB
Plaintext
149 lines
3.4 KiB
Plaintext
AC_DEFUN([TORRENT_CHECK_CXXFLAGS], [
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AC_MSG_CHECKING([for user-defined CXXFLAGS])
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if test -n "$CXXFLAGS"; then
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AC_MSG_RESULT([user-defined "$CXXFLAGS"])
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else
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CXXFLAGS="-O3 -Wall"
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AC_MSG_RESULT([default "$CXXFLAGS"])
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fi
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])
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AC_DEFUN([TORRENT_ENABLE_DEBUG], [
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AC_ARG_ENABLE(debug,
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[ --enable-debug enable debug information [[default=yes]]],
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[
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if test "$enableval" = "yes"; then
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CXXFLAGS="$CXXFLAGS -g -DDEBUG"
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else
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CXXFLAGS="$CXXFLAGS -DNDEBUG"
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fi
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],[
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CXXFLAGS="$CXXFLAGS -g -DDEBUG"
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])
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])
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AC_DEFUN([TORRENT_ENABLE_WERROR], [
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AC_ARG_ENABLE(werror,
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[ --enable-werror enable the -Werror and -Wall flag [[default=no]]],
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[
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if test "$enableval" = "yes"; then
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CXXFLAGS="$CXXFLAGS -Werror -Wall"
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fi
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])
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])
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AC_DEFUN([TORRENT_ENABLE_EXTRA_DEBUG], [
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AC_ARG_ENABLE(extra-debug,
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[ --enable-extra-debug enable extra debugging checks. [[default=no]]],
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[
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if test "$enableval" = "yes"; then
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AC_DEFINE(USE_EXTRA_DEBUG, 1, Enable extra debugging checks.)
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fi
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])
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])
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AC_DEFUN([TORRENT_OTFD], [
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AC_LANG_PUSH(C++)
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AC_MSG_CHECKING(for proper overloaded template function disambiguation)
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AC_COMPILE_IFELSE(
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[[template <typename T> void f(T&) {}
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template <typename T> void f(T*) {}
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int main() { int *i = 0; f(*i); f(i); }
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]],
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[
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AC_MSG_RESULT(yes)
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], [
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AC_MSG_RESULT(no)
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AC_MSG_ERROR([your compiler does not properly handle overloaded template function disambiguation])
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])
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AC_LANG_POP(C++)
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])
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AC_DEFUN([TORRENT_MINCORE_SIGNEDNESS], [
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AC_LANG_PUSH(C++)
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AC_MSG_CHECKING(signedness of mincore parameter)
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AC_COMPILE_IFELSE(
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[[#include <sys/types.h>
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#include <sys/mman.h>
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void f() { mincore((void*)0, 0, (unsigned char*)0); }
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]],
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[
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AC_DEFINE(USE_MINCORE_UNSIGNED, 1, use unsigned char* in mincore)
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AC_MSG_RESULT(unsigned)
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],
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[
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AC_COMPILE_IFELSE(
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[[#include <sys/types.h>
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#include <sys/mman.h>
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void f() { mincore((void*)0, 0, (char*)0); }
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]],
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[
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AC_DEFINE(USE_MINCORE_UNSIGNED, 0, use char* in mincore)
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AC_MSG_RESULT(signed)
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],
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[
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AC_MSG_ERROR([mincore signedness test failed])
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])
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])
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AC_LANG_POP(C++)
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])
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AC_DEFUN([TORRENT_CHECK_EXECINFO], [
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AC_MSG_CHECKING(for execinfo.h)
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AC_COMPILE_IFELSE(
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[[#include <execinfo.h>
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int main() { backtrace((void**)0, 0); backtrace_symbols((char**)0, 0); return 0;}
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]],
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[
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AC_MSG_RESULT(yes)
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AC_DEFINE(USE_EXECINFO, 1, Use execinfo.h)
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], [
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AC_MSG_RESULT(no)
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])
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])
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AC_DEFUN([TORRENT_CHECK_ALIGNED], [
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AC_MSG_CHECKING(the byte alignment)
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AC_RUN_IFELSE(
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[[#include <inttypes.h>
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int main() {
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char buf[8] = { 0, 0, 0, 0, 1, 0, 0, 0 };
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int i;
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for (i = 1; i < 4; ++i)
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if (*(uint32_t*)(buf + i) == 0) return -1;
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return 0;
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}
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]],
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[
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AC_MSG_RESULT(none needed)
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], [
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AC_DEFINE(USE_ALIGNED, 1, Require byte alignment)
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AC_MSG_RESULT(required)
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])
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])
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AC_DEFUN([TORRENT_ENABLE_ALIGNED], [
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AC_ARG_ENABLE(aligned,
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[ --enable-aligned enable alignment safe code [[default=check]]],
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[
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if test "$enableval" = "yes"; then
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AC_DEFINE(USE_ALIGNED, 1, Require byte alignment)
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fi
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],[
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TORRENT_CHECK_ALIGNED
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])
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])
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