mirror of
https://github.com/snes9xgit/snes9x.git
synced 2024-06-12 01:17:17 -04:00
580 lines
14 KiB
Plaintext
580 lines
14 KiB
Plaintext
AC_PREREQ([2.71])
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AC_INIT([Snes9x],[1.62.3],[],[snes9x])
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AC_REVISION([$Revision: 1.62.3 $])
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AC_CONFIG_SRCDIR([unix.cpp])
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AC_CANONICAL_TARGET
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AC_PROG_CC
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AC_PROG_CXX
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AC_LANG([C++])
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S9XFLGS=""
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S9XDEFS=""
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S9XLIBS=""
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AC_DEFUN([AC_S9X_COMPILER_FLAG],
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[
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AC_MSG_CHECKING([whether g++ accepts $1])
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AC_CACHE_VAL([snes9x_cv_option_$2],
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[
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OLD_CXXFLAGS="[$]CXXFLAGS"
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CXXFLAGS="[$]OLD_CXXFLAGS $1"
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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int foo;
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int main (int argc, char **argv)
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{
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/* The following code triggs gcc:s generation of aline opcodes,
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which some versions of as does not support. */
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if (argc > 0)
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argc = 0;
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return (argc);
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}
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]])],[snes9x_cv_option_$2="yes"],[snes9x_cv_option_$2="no"],[snes9x_cv_option_$2="yes"])
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])
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CXXFLAGS="[$]OLD_CXXFLAGS"
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if test "x[$]snes9x_cv_option_$2" = "xyes"; then
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S9XFLGS="[$]S9XFLGS $1"
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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$3
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fi
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])
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# *****************************
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# *** Execution begins here ***
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# *****************************
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# Test what compiler flags we should use.
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AC_ARG_ENABLE([debug],
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[AS_HELP_STRING([--enable-debug],
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[leave debug information in the final binary (default: no)])],
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[], [enable_debug="no"])
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if test "x$enable_debug" = "xyes"; then
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AC_S9X_COMPILER_FLAG([-g], [g])
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AC_S9X_COMPILER_FLAG([-O0], [o0])
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else
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AC_S9X_COMPILER_FLAG([-O3], [o3], [
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AC_S9X_COMPILER_FLAG([-O2], [o2], [
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AC_S9X_COMPILER_FLAG([-O1], [o1])])])
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AC_S9X_COMPILER_FLAG([-fomit-frame-pointer], [omit_frame_pointer])
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fi
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AC_ARG_ENABLE([mtune],
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[AS_HELP_STRING([--enable-mtune],
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[use the specified value for the -mtune/-mcpu flag (default: no)])],
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[], [enable_mtune="no"])
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if test "x$enable_mtune" != "xno"; then
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AC_S9X_COMPILER_FLAG([-mtune="$enable_mtune"], [mtune],
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[
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AC_MSG_WARN([-mtune failed, trying -mcpu...])
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AC_S9X_COMPILER_FLAG([-mcpu="$enable_mtune"], [mcpu],
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[AC_MSG_ERROR([Please specify a working value for --enable-mtune.])])
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])
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fi
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AC_S9X_COMPILER_FLAG([-fno-exceptions], [no_exceptions])
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AC_S9X_COMPILER_FLAG([-fno-rtti], [no_rtti])
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AC_S9X_COMPILER_FLAG([-pedantic], [pedantic])
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AC_S9X_COMPILER_FLAG([-Wall], [Wall])
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AC_S9X_COMPILER_FLAG([-W], [W])
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AC_S9X_COMPILER_FLAG([-Wno-unused-parameter], [Wno_unused_parameter])
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# Enable SSE4.1
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AC_ARG_ENABLE([sse41],
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[AS_HELP_STRING([--enable-sse41],
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[enable SSE4.1 if available (default: no)])],
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[], [enable_sse41="no"])
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if test "x$enable_sse41" = "xyes"; then
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AC_S9X_COMPILER_FLAG([-msse4.1], [sse41])
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if test "x$snes9x_cv_option_sse41" != "xyes"; then
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enable_sse41="no"
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fi
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fi
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# Enable AVX2
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AC_ARG_ENABLE([avx2],
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[AS_HELP_STRING([--enable-avx2],
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[enable AVX2 if available (default: no)])],
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[], [enable_avx2="no"])
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if test "x$enable_avx2" = "xyes"; then
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AC_S9X_COMPILER_FLAG([-mavx2], [avx2])
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if test "x$snes9x_cv_option_avx2" != "xyes"; then
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enable_avx2="no"
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fi
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fi
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# Enable ARM NEON
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AC_ARG_ENABLE([neon],
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[AS_HELP_STRING([--enable-neon],
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[enable NEON if available (default: no)])],
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[], [enable_neon="no"])
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if test "x$enable_neon" = "xyes"; then
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AC_S9X_COMPILER_FLAG([-mfpu=neon], [neon])
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if test "x$snes9x_cv_option_neon" != "xyes"; then
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enable_neon="no"
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fi
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fi
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# Check if the OS is Linux.
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AC_MSG_CHECKING([whether the OS is Linux])
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AC_CACHE_VAL([snes9x_cv_linux_os],
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[
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case "$host" in
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*-*-linux*)
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snes9x_cv_linux_os="yes"
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;;
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*)
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snes9x_cv_linux_os="no"
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;;
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esac
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])
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AC_MSG_RESULT([$snes9x_cv_linux_os])
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# Enable gamepad support on Linux.
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AC_ARG_ENABLE([gamepad],
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[AS_HELP_STRING([--enable-gamepad],
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[enable gamepad support if available (default: yes)])],
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[], [enable_gamepad="yes"])
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if test "x$enable_gamepad" = "xyes"; then
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if test "x$snes9x_cv_linux_os" = "xyes"; then
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S9XDEFS="$S9XDEFS -DJOYSTICK_SUPPORT"
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else
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AC_MSG_WARN([Your OS is not Linux. Build without gamepad support.])
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enable_gamepad="no"
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fi
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fi
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# Enable debugger.
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S9XDEBUGGER="#S9XDEBUGGER=1"
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AC_ARG_ENABLE([debugger],
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[AS_HELP_STRING([--enable-debugger],
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[enable debugger (default: no)])],
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[], [enable_debugger="no"])
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if test "x$enable_debugger" = "xyes"; then
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S9XDEBUGGER="S9XDEBUGGER=1"
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S9XDEFS="$S9XDEFS -DDEBUGGER"
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fi
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# Enable netplay support if requested.
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S9XNETPLAY="#S9XNETPLAY=1"
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AC_ARG_ENABLE([netplay],
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[AS_HELP_STRING([--enable-netplay],
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[enable netplay support (default: no)])],
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[], [enable_netplay="no"])
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if test "x$enable_netplay" = "xyes"; then
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S9XNETPLAY="S9XNETPLAY=1"
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S9XDEFS="$S9XDEFS -DNETPLAY_SUPPORT"
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fi
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# Enable GZIP support through zlib.
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AC_CACHE_VAL([snes9x_cv_zlib],
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[
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AC_CHECK_HEADER([zlib.h],
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[AC_CHECK_LIB([z], [gzread], [snes9x_cv_zlib="yes"], [snes9x_cv_zlib="no"])],
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[snes9x_cv_zlib="no"])
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])
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AC_ARG_ENABLE([gzip],
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[AS_HELP_STRING([--enable-gzip],
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[enable GZIP support through zlib (default: yes)])],
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[], [enable_gzip="yes"])
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if test "x$enable_gzip" = "xyes"; then
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if test "x$snes9x_cv_zlib" = "xyes"; then
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S9XDEFS="$S9XDEFS -DZLIB"
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S9XLIBS="$S9XLIBS -lz"
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else
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AC_MSG_WARN([zlib not found. Build without GZIP support.])
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enable_gzip="no"
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fi
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fi
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# Enable ZIP support through zlib.
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S9XZIP="#S9XZIP=1"
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AC_ARG_ENABLE([zip],
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[AS_HELP_STRING([--enable-zip],
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[enable ZIP support through zlib (default: yes)])],
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[], [enable_zip="yes"])
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S9X_SYSTEM_ZIP="#SYSTEM_ZIP=1"
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AC_ARG_WITH([system-zip],
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[AS_HELP_STRING([--with-system-zip],
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[Use system zip (default: check)])],
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[], [with_system_zip="check"])
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if test "x$enable_zip" = "xyes"; then
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if test "x$with_system_zip" != "xno"; then
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PKG_CHECK_MODULES(
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SYSTEM_ZIP,
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minizip,
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S9XZIP="S9XZIP=1"
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S9XDEFS="$S9XDEFS -DUNZIP_SUPPORT"
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S9X_SYSTEM_ZIP="SYSTEM_ZIP=1"
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S9XLIBS="$S9XLIBS $SYSTEM_ZIP_LIBS"
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if test "x$enable_gzip" = "xno"; then
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S9XLIBS="$S9XLIBS -lz"
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fi
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S9XDEFS="$S9XDEFS -DSYSTEM_ZIP",
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if test "x${with_system_zip}" != "xcheck"; then
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AC_MSG_ERROR([--with-system-zip requested but no proper minizip lib found.])
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else
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AC_MSG_WARN([minizip not found. Build without SYSTEM_ZIP support.])
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fi
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)
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else
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if test "x$snes9x_cv_zlib" = "xyes"; then
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S9XZIP="S9XZIP=1"
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S9XDEFS="$S9XDEFS -DUNZIP_SUPPORT"
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if test "x$enable_gzip" = "xno"; then
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S9XLIBS="$S9XLIBS -lz"
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fi
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else
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AC_MSG_WARN([zlib not found. Build without ZIP support.])
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enable_zip="no"
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fi
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fi
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fi
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# Enable JMA support.
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S9XJMA="#S9XJMA=1"
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AC_ARG_ENABLE([jma],
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[AS_HELP_STRING([--enable-jma],
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[enable JMA support (default: yes)])],
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[], [enable_jma="yes"])
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if test "x$enable_jma" = "xyes"; then
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S9XJMA="S9XJMA=1"
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S9XDEFS="$S9XDEFS -DJMA_SUPPORT"
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fi
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# Enable screenshot support through libpng.
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AC_CACHE_VAL([snes9x_cv_libpng],
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[
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AC_CHECK_HEADER([png.h],
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[AC_CHECK_LIB([png], [png_init_io], [snes9x_cv_libpng="yes"], [snes9x_cv_libpng="no"])],
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[snes9x_cv_libpng="no"])
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])
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AC_ARG_ENABLE([screenshot],
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[AS_HELP_STRING([--enable-screenshot],
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[enable screenshot support through libpng (default: yes)])],
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[], [enable_screenshot="yes"])
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if test "x$enable_screenshot" = "xyes"; then
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if test "x$snes9x_cv_libpng" = "xyes"; then
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S9XDEFS="$S9XDEFS -DHAVE_LIBPNG"
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S9XLIBS="$S9XLIBS -lpng"
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else
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AC_MSG_WARN([libpng not found. Build without screenshot support.])
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enable_screenshot="no"
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fi
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fi
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# Check for functions
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AC_CHECK_FUNC([mkstemp],
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[
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S9XDEFS="$S9XDEFS -DHAVE_MKSTEMP"
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])
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# Check X11
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AC_PATH_XTRA
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if test "x$no_x" = "xyes"; then
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AC_MSG_ERROR([X11 is required.])
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else
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S9XFLGS="$S9XFLGS $X_CFLAGS"
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S9XLIBS="$S9XLIBS $X_PRE_LIBS -lX11 -lXext $X_LIBS $X_EXTRA_LIBS"
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fi
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# Check for headers
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snes9x_have_stdint_h="";
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AC_CHECK_HEADER([strings.h],
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[
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S9XDEFS="$S9XDEFS -DHAVE_STRINGS_H"
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])
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AC_CHECK_HEADER([sys/ioctl.h],
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[
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S9XDEFS="$S9XDEFS -DHAVE_SYS_IOCTL_H"
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])
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AC_CHECK_HEADER([stdint.h],
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[
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S9XDEFS="$S9XDEFS -DHAVE_STDINT_H"
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snes9x_have_stdint_h="-DHAVE_STDINT_H"
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])
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AC_CHECK_HEADERS([unistd.h sys/socket.h])
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# Check whether the size of pointer is int.
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if test "x$snes9x_have_stdint_h" = "x"; then
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AC_MSG_CHECKING([whether the size of pointer is int])
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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int main (void)
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{
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return (!(sizeof(void *) == sizeof(int)));
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}
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]])],[snes9x_ptr_is_int="yes"],[snes9x_ptr_is_int="no"],[])
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if test "x$snes9x_ptr_is_int" = "xyes"; then
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AC_MSG_RESULT(yes)
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else
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AC_MSG_RESULT(no)
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S9XDEFS="$S9XDEFS -DPTR_NOT_INT"
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fi
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fi
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# Check whether right shift is arithmetic or not
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AC_DEFUN([AC_S9X_CHECK_SAR],
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[
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AC_MSG_CHECKING([whether right shift $1 is arithmetic])
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OLD_CXXFLAGS="[$]CXXFLAGS"
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CXXFLAGS="[$]OLD_CXXFLAGS $snes9x_have_stdint_h"
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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typedef int8_t int8;
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typedef int16_t int16;
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typedef int32_t int32;
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typedef int64_t int64;
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#else
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typedef signed char int8;
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typedef signed short int16;
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typedef signed int int32;
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#ifdef __GNUC__
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__extension__
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#endif
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typedef long long int64;
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#endif
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int main (void)
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{
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$1 i;
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i = -1;
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i >>= 1;
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return (i < 0 ? 0 : 1);
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}
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]])],[snes9x_sar_$1="yes"],[snes9x_sar_$1="no"],[snes9x_sar_$1=$GCC])
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CXXFLAGS="[$]OLD_CXXFLAGS"
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if test "x$snes9x_sar_$1" = "xno"; then
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AC_MSG_RESULT([no])
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else
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S9XDEFS="$S9XDEFS -DRIGHTSHIFT_$1_IS_SAR"
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AC_MSG_RESULT([yes])
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fi
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])
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AC_S9X_CHECK_SAR([int8])
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AC_S9X_CHECK_SAR([int16])
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AC_S9X_CHECK_SAR([int32])
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AC_S9X_CHECK_SAR([int64])
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if test "x$snes9x_sar_int8" = "xyes" -a "x$snes9x_sar_int16" = "xyes" -a "x$snes9x_sar_int32" = "xyes" -a "x$snes9x_sar_int64" = "xyes"; then
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S9XDEFS="`echo \"$S9XDEFS\" | sed -e 's/-DRIGHTSHIFT_int8_IS_SAR//'`"
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S9XDEFS="`echo \"$S9XDEFS\" | sed -e 's/-DRIGHTSHIFT_int16_IS_SAR//'`"
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S9XDEFS="`echo \"$S9XDEFS\" | sed -e 's/-DRIGHTSHIFT_int32_IS_SAR//'`"
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S9XDEFS="`echo \"$S9XDEFS\" | sed -e 's/-DRIGHTSHIFT_int64_IS_SAR//'`"
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S9XDEFS="$S9XDEFS -DRIGHTSHIFT_IS_SAR"
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fi
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# Check if we can build with Xvideo acceleration support
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AC_ARG_ENABLE([xvideo],
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[AS_HELP_STRING([--enable-xvideo],
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[enable Xvideo if available (default: yes)])],
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[], [enable_xvideo="yes"])
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if test "x$enable_xvideo" = "xyes"; then
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enable_xvideo="no"
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AC_CHECK_HEADER([X11/extensions/Xv.h],
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[
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enable_xvideo="yes"
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S9XLIBS="$S9XLIBS -lXv"
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S9XDEFS="$S9XDEFS -DUSE_XVIDEO"
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])
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fi
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# Check if we can build with libyuv hardware acceleration I420 conversion support
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AC_ARG_ENABLE([libyuv],
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[AS_HELP_STRING([--enable-libyuv],
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[enable libyuv I420 conversion support if available (default: yes)])],
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[], [enable_libyuv="yes"])
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if test "x$enable_libyuv" = "xyes"; then
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enable_libyuv="no"
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AC_CHECK_HEADER([libyuv.h],
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[
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enable_libyuv="yes"
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S9XLIBS="$S9XLIBS -lyuv"
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S9XDEFS="$S9XDEFS -DUSE_LIBYUV"
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])
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fi
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# Check if we can build with Xinerama multi-monitor support
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AC_ARG_ENABLE([xinerama],
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[AS_HELP_STRING([--enable-xinerama],
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[enable Xinerama if available (default: yes)])],
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[], [enable_xinerama="yes"])
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if test "x$enable_xinerama" = "xyes"; then
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enable_xinerama="no"
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AC_CHECK_HEADER([X11/extensions/Xinerama.h],
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[
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enable_xinerama="yes"
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S9XLIBS="$S9XLIBS -lXinerama"
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S9XDEFS="$S9XDEFS -DUSE_XINERAMA"
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])
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fi
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# Check if we have sound code for this platform.
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AC_ARG_ENABLE([sound],
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[AS_HELP_STRING([--enable-sound],
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[enable sound if available (default: yes)])],
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[], [enable_sound="yes"])
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if test "x$enable_sound" = "xyes"; then
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AC_MSG_CHECKING([whether sound is supported on this platform])
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|
if test "x$snes9x_cv_linux_os" = "xyes"; then
|
|
AC_MSG_RESULT([yes])
|
|
else
|
|
AC_MSG_RESULT([no])
|
|
AC_MSG_WARN([Your OS is not Linux. Build without sound support.])
|
|
enable_sound="no"
|
|
fi
|
|
fi
|
|
|
|
if test "x$enable_sound" = "xyes"; then
|
|
AC_CHECK_HEADER([pthread.h],
|
|
[
|
|
S9XDEFS="$S9XDEFS -DUSE_THREADS"
|
|
S9XLIBS="$S9XLIBS -lpthread"
|
|
])
|
|
else
|
|
S9XDEFS="$S9XDEFS -DNOSOUND"
|
|
fi
|
|
|
|
# Check if we can build with alsa support
|
|
AC_ARG_ENABLE([sound-alsa],
|
|
[AS_HELP_STRING([--enable-sound-alsa],
|
|
[enable Alsa if available (default: yes)])],
|
|
[], [enable_sound_alsa="yes"])
|
|
|
|
if test "x$enable_sound_alsa" = "xyes"; then
|
|
enable_sound_alsa="no"
|
|
AC_CHECK_HEADER([alsa/asoundlib.h],
|
|
[
|
|
enable_sound_alsa="yes"
|
|
enable_sound="yes"
|
|
S9XLIBS="$S9XLIBS -lasound"
|
|
#in case '--disable-sound' and 'enable-sound-alsa'
|
|
S9XDEFS=$(echo $S9XDEFS|sed 's/-DNOSOUND//g; s/-DUSE_THREADS//g')
|
|
S9XDEFS="$S9XDEFS -DALSA"
|
|
])
|
|
fi
|
|
|
|
# Output.
|
|
|
|
S9XFLGS="$CXXFLAGS $CPPFLAGS $LDFLAGS $S9XFLGS"
|
|
S9XLIBS="$LIBS $S9XLIBS"
|
|
|
|
S9XFLGS="`echo \"$S9XFLGS\" | sed -e 's/ */ /g'`"
|
|
S9XDEFS="`echo \"$S9XDEFS\" | sed -e 's/ */ /g'`"
|
|
S9XLIBS="`echo \"$S9XLIBS\" | sed -e 's/ */ /g'`"
|
|
S9X_SYSTEM_ZIP="`echo \"$S9X_SYSTEM_ZIP\" | sed -e 's/ */ /g'`"
|
|
S9XFLGS="`echo \"$S9XFLGS\" | sed -e 's/^ *//'`"
|
|
S9XDEFS="`echo \"$S9XDEFS\" | sed -e 's/^ *//'`"
|
|
S9XLIBS="`echo \"$S9XLIBS\" | sed -e 's/^ *//'`"
|
|
S9X_SYSTEM_ZIP="`echo \"$S9X_SYSTEM_ZIP\" | sed -e 's/^ *//'`"
|
|
|
|
AC_SUBST(S9XFLGS)
|
|
AC_SUBST(S9XDEFS)
|
|
AC_SUBST(S9XLIBS)
|
|
AC_SUBST(S9XXVIDEO)
|
|
AC_SUBST(S9XDEBUGGER)
|
|
AC_SUBST(S9XNETPLAY)
|
|
AC_SUBST(S9XZIP)
|
|
AC_SUBST(S9XJMA)
|
|
AC_SUBST(S9X_SYSTEM_ZIP)
|
|
|
|
rm config.info 2>/dev/null
|
|
|
|
cat >config.info <<EOF
|
|
|
|
build information:
|
|
cc...............,,,. $CC
|
|
c++.................. $CXX
|
|
options.............. $S9XFLGS
|
|
defines.............. $S9XDEFS
|
|
libs................. $S9XLIBS
|
|
|
|
features:
|
|
Xvideo support....... $enable_xvideo
|
|
libyuv support....... $enable_libyuv
|
|
Xinerama support..... $enable_xinerama
|
|
sound support........ $enable_sound
|
|
alsa support......... $enable_sound_alsa
|
|
screenshot support... $enable_screenshot
|
|
netplay support...... $enable_netplay
|
|
gamepad support...... $enable_gamepad
|
|
GZIP support......... $enable_gzip
|
|
ZIP support.......... $enable_zip
|
|
SYSTEM_ZIP........... $with_system_zip
|
|
JMA support.......... $enable_jma
|
|
SSE4.1............... $enable_sse41
|
|
AVX2................. $enable_avx2
|
|
NEON................. $enable_neon
|
|
debugger............. $enable_debugger
|
|
|
|
EOF
|
|
|
|
cat config.info
|
|
|
|
AC_CONFIG_FILES([Makefile])
|
|
AC_OUTPUT
|