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dosbox-staging/configure.ac
krcroft abe95c195c Prevent env:OPUSFILE_LIBS from enabling Opus 
In the current code, we assess the --disable-opus-cdda argument,
and if it's not present we run pkg-config to get the Opus CFLAGS
and LIBS.  If it finds them, it sets the OPUSFILE_CFLAGS and
OPUSFILE_LIBS variables.  We finally check for the presense of
one of these before actually enabling Opus.

However, if the user directly sets OPUSFILE_LIBS, then this final
check will become true regardless if the user passed --disable-opus-cdda
to configure.

The obvious fix is to move the final Opus check inside the
prior checks (for example, moving AM_CONDITIONAL(USE_OPUS) inside
AS_IF(..), however that results in the OPUS_USE conditional not
existing if the AS_IF test fails its check.

Therefore, we set a new variable HAVE_OPUS, if the pkg-config
check passes, and look for that instead of OPUSFILE_LIBS.
(Of course, the user could export HAVE_OPUS=yes in their
environment as well, but at that point they're deliberately
circumenting configure, in which case they can have at it!).
2020-03-10 06:41:02 +01:00

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dnl Init.
AC_INIT(dosbox,git)
AC_DEFINE([CONF_BRAND],["staging-git"],[Suffix of the .conf file.])
AC_PREREQ(2.50)
AC_CONFIG_SRCDIR(README)
AC_CONFIG_MACRO_DIR([m4])
dnl Check for pkg-config
PKG_PROG_PKG_CONFIG
dnl Detect the canonical host and target build environment
AC_CANONICAL_HOST
AC_CANONICAL_BUILD
dnl Setup for automake
AM_INIT_AUTOMAKE([foreign])
AC_CONFIG_HEADER(config.h)
dnl Checks for programs.
AC_PROG_MAKE_SET
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_INSTALL
AC_PROG_RANLIB
dnl Prevent autoconf from leaking non-understood tokens into the configure script
m4_pattern_forbid([PKG_PROG_PKG_CONFIG])
m4_pattern_forbid([PKG_CHECK_MODULES])
m4_pattern_forbid([^AC_])
m4_pattern_forbid([^AH_])
m4_pattern_forbid([^AX_])
dnl Check for SDL
SDL_VERSION=2.0.0
AM_PATH_SDL($SDL_VERSION,
:,
AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
)
LIBS="$LIBS $SDL_LIBS"
CPPFLAGS="$CPPFLAGS $SDL_CFLAGS"
dnl Checks for header files.
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_STRUCT_TM
AC_CHECK_SIZEOF(unsigned char)
AC_CHECK_SIZEOF(unsigned short)
AC_CHECK_SIZEOF(unsigned int)
AC_CHECK_SIZEOF(unsigned long)
AC_CHECK_SIZEOF(unsigned long long)
AC_CHECK_SIZEOF(int *)
dnl Require compiler with C++11 support.
dnl Allow GNU extensions to work around MinGW bugs around POSIX compatibility.
AX_CXX_COMPILE_STDCXX_11(ext, mandatory)
dnl some semi complex check for sys/socket so it works on darwin as well
AC_CHECK_HEADERS([stdlib.h sys/types.h])
AC_CHECK_HEADERS([sys/socket.h netinet/in.h pwd.h], [], [],
[#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
])
dnl check for the socklen_t (darwin doesn't always have it)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <stdio.h>
#ifdef STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# ifdef HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
])],[],[AC_DEFINE([socklen_t],[int],[Define to `int` if you don't have socklen_t])])
AC_MSG_CHECKING(if environ can be included)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <unistd.h>
#include <stdlib.h>]],[[*environ;]])],
[AC_MSG_RESULT(yes);AC_DEFINE(ENVIRON_INCLUDED,1,[environ can be included])],AC_MSG_RESULT(no))
AC_MSG_CHECKING(if environ can be linked)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern char ** environ;]],[[*environ;]])],
[AC_MSG_RESULT(yes);AC_DEFINE(ENVIRON_LINKED,1,[environ can be linked])],AC_MSG_RESULT(no))
AC_MSG_CHECKING([if dirent includes d_type])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#include <sys/types.h>
#include <dirent.h>
void blah(){
struct dirent d_test;
d_test.d_type = 0;
}])],[AC_MSG_RESULT(yes);AC_DEFINE(DIRENT_HAS_D_TYPE,1,[struct dirent has d_type])],AC_MSG_RESULT(no))
dnl Check for powf
AC_MSG_CHECKING(for powf in libm);
LIBS_BACKUP=$LIBS;
LIBS="$LIBS -lm";
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <math.h>]],[[
powf(1.0f, 1.0f);
]])], [AC_MSG_RESULT(yes)], [AC_DEFINE([DB_HAVE_NO_POWF],[1],[libm doesn't include powf])])
LIBS=$LIBS_BACKUP
dnl Look for clock_gettime, a DB_HAVE_CLOCK_GETTIME is set when present
AH_TEMPLATE([DB_HAVE_CLOCK_GETTIME],[Determines if the function clock_gettime is available.])
AC_SEARCH_LIBS([clock_gettime], [rt] , [found_clock_gettime=yes], [found_clock_gettime=no])
if test x$found_clock_gettime = xyes; then
AC_DEFINE(DB_HAVE_CLOCK_GETTIME)
fi
dnl Checks for libraries.
#Check if the compiler support attributes
AH_TEMPLATE([C_HAS_ATTRIBUTE],[Determines if the compiler supports attributes for structures.])
AC_MSG_CHECKING(if compiler allows __attribute__)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
typedef struct { } __attribute__((packed)) junk;]],
[[ ]])],[ AC_MSG_RESULT(yes);AC_DEFINE(C_HAS_ATTRIBUTE)],AC_MSG_RESULT(no))
#Check if the compiler supports certain attributes
OLDCFLAGS="$CFLAGS"
CFLAGS="-Werror"
AH_TEMPLATE([C_ATTRIBUTE_ALWAYS_INLINE],[Determines if the compiler supports always_inline attribute.])
AC_MSG_CHECKING(if compiler allows __attribute__((always_inline)) )
AC_COMPILE_IFELSE([AC_LANG_SOURCE([ inline void __attribute__((always_inline)) test(){}
])],[ AC_MSG_RESULT(yes);AC_DEFINE(C_ATTRIBUTE_ALWAYS_INLINE)],AC_MSG_RESULT(no))
AH_TEMPLATE([C_ATTRIBUTE_FASTCALL],[Determines if the compiler supports fastcall attribute.])
AC_MSG_CHECKING(if compiler allows __attribute__((fastcall)) )
AC_COMPILE_IFELSE([AC_LANG_SOURCE([ void __attribute__((fastcall)) test(){}
])],[ AC_MSG_RESULT(yes);AC_DEFINE(C_ATTRIBUTE_FASTCALL)],AC_MSG_RESULT(no))
CFLAGS="$OLDCFLAGS"
#Check if the compiler supports __builtin_expect
#Switch language to c++
AC_LANG_PUSH(C++)
AH_TEMPLATE([C_HAS_BUILTIN_EXPECT],[Determines if the compilers supports __builtin_expect for branch prediction.])
AC_MSG_CHECKING(if compiler allows __builtin_expect)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]],[[
int x=10;if( __builtin_expect ((x==1),0) ) ;
]])], [ AC_MSG_RESULT(yes);AC_DEFINE(C_HAS_BUILTIN_EXPECT)],AC_MSG_RESULT(no))
#switch language back
AC_LANG_POP(C++)
dnl test if compiler supports -mno-ms-bitfields as it is bugged
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52991
BACKUP_CFLAGS="$CFLAGS"
CFLAGS="-mno-ms-bitfields"
AC_MSG_CHECKING(if compiler supports -mno-ms-bitfields)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
void blah(){
;
}
])],[
AC_MSG_RESULT([yes])
CXXFLAGS="$CXXFLAGS -mno-ms-bitfields"
],[AC_MSG_RESULT([no])])
CFLAGS="$BACKUP_CFLAGS"
dnl When on macOS, enable support for Apple's Core MIDI and/or Core Audio if our compiler can #include their headers
case "$host" in
*-*-darwin*)
AC_MSG_CHECKING(if compiler supports Apple's Core MIDI headers)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <CoreMIDI/MIDIServices.h>
int blah() { return 0; }
]])], [AC_MSG_RESULT(yes);LIBS="$LIBS -framework CoreMIDI -framework CoreFoundation";AC_DEFINE([C_SUPPORTS_COREMIDI], [],
[Compiler supports Core MIDI headers])],
AC_MSG_RESULT(no);AC_MSG_WARN([Compiler can't compile Apple headers. CoreMIDI functionality disabled. Please use the Apple compiler!]))
AC_MSG_CHECKING(if compiler supports Apple's Core Audio headers)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include <AudioToolbox/AUGraph.h>
#include <CoreServices/CoreServices.h>
int blah() { return 0; }
]])], [AC_MSG_RESULT(yes);LIBS="$LIBS -framework AudioUnit -framework AudioToolbox";AC_DEFINE([C_SUPPORTS_COREAUDIO], [],
[Compiler supports Core Audio headers])],
AC_MSG_RESULT(no);AC_MSG_WARN([Compiler can't compile Apple headers. CoreAudio functionality disabled. Please use the Apple compiler!]))
;;
*)
AC_MSG_CHECKING(if compiler supports Apple's MIDI headers)
AC_MSG_RESULT([no, not on Apple])
;;
esac
dnl enable disable alsa and pass it's cflags to CXXFLAGS
AC_ARG_ENABLE(alsa-midi,
AC_HELP_STRING([--enable-alsa-midi],[compile with alsa midi support (default yes)]),
[ case "${enableval}" in
yes) alsa_midi=true;;
no) alsa_midi=false;;
esac],
[alsa_midi=true])
if test x$alsa_midi = xtrue ; then
AM_PATH_ALSA(0.9.0, AC_DEFINE(HAVE_ALSA,1,[Define to 1 to use ALSA for MIDI]) , : )
CXXFLAGS="$CXXFLAGS $ALSA_CFLAGS"
fi
#Check for big endian machine, should #define WORDS_BIGENDIAN if so
AC_C_BIGENDIAN
#Features to enable/disable
AH_TEMPLATE(C_DEBUG,[Define to 1 to enable internal debugger, requires ncurses or pdcurses])
AH_TEMPLATE(C_HEAVY_DEBUG,[Define to 1 to enable heavy debugging, requires C_DEBUG])
AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [Enable internal debugger]),,)
AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug=heavy], [Enable internal debugger with heavy debugging]),,)
if test x$enable_debug = xyes -o x$enable_debug = xheavy; then
AC_MSG_NOTICE([debugger was requested, finding curses library ...])
PKG_CHECK_MODULES(NCURSES, ncurses, [
curses=ncurses
LIBS="$LIBS ${NCURSES_LIBS}"
CPPFLAGS="$CPPFLAGS ${NCURSES_CFLAGS}"], [
PKG_CHECK_MODULES(NCURSESW, ncursesw, [
curses=ncursesw
LIBS="$LIBS ${NCURSESW_LIBS}"
CPPFLAGS="$CPPFLAGS ${NCURSESW_CFLAGS}"], [
PKG_CHECK_MODULES(PDCURSES, pdcurses, [
curses=pdcurses
LIBS="$LIBS ${PDCURSES_LIBS}"
CPPFLAGS="$CPPFLAGS ${PDCURSES_CFLAGS}"],[]) ]) ])
if test x$enable_debug = xyes; then
AC_DEFINE(C_DEBUG,1)
AC_MSG_NOTICE([debugger enabled using the $curses library])
else
AC_DEFINE(C_DEBUG,1)
AC_DEFINE(C_HEAVY_DEBUG,1)
AC_MSG_NOTICE([debugger with heavy debugging enabled using the $curses library])
fi
elif test empty$enable_debug != empty -a x$enable_debug != xno; then
AC_MSG_ERROR(--enable-debug=$enable_debug was requested but the value "$enable_debug" is invalid)
fi
AH_TEMPLATE(C_CORE_INLINE,[Define to 1 to use inlined memory functions in cpu core])
AC_ARG_ENABLE(core-inline,AC_HELP_STRING([--disable-core-inline],[Disable inlined memory handling in CPU Core]),,enable_core_inline=yes)
AC_MSG_CHECKING(whether memory handling in the CPU Core will be inlined)
if test x$enable_core_inline = xyes ; then
AC_MSG_RESULT(yes)
AC_DEFINE(C_CORE_INLINE,1)
else
AC_MSG_RESULT(no)
fi
dnl The target cpu checks for dynamic cores
AH_TEMPLATE(C_TARGETCPU,[The type of cpu this target has])
AC_MSG_CHECKING(for target cpu type)
case "$host_cpu" in
x86_64 | amd64)
AC_DEFINE(C_TARGETCPU,X86_64)
AC_MSG_RESULT(x86-64 bit compatible)
c_targetcpu="x86_64"
c_unalignedmemory=yes
;;
i?86)
AC_DEFINE(C_TARGETCPU,X86)
AC_MSG_RESULT(x86 compatible)
c_targetcpu="x86"
c_unalignedmemory=yes
;;
powerpc*)
AC_DEFINE(C_TARGETCPU,POWERPC)
AC_MSG_RESULT(Power PC)
c_targetcpu="powerpc"
c_unalignedmemory=yes
;;
m68k*)
AC_DEFINE(C_TARGETCPU,M68K)
AC_MSG_RESULT(Motorola 68000)
c_targetcpu="m68k"
c_unalignedmemory=yes
;;
armv7l)
AC_DEFINE(C_TARGETCPU,ARMV7LE)
AC_MSG_RESULT(ARMv7 Little Endian)
c_targetcpu="arm"
c_unalignedmemory=yes
;;
armv6l)
AC_DEFINE(C_TARGETCPU,ARMV4LE)
AC_MSG_RESULT(ARMv6 Little Endian)
c_targetcpu="arm"
dnl c_unalignedmemory=yes
;;
aarch64)
AC_DEFINE(C_TARGETCPU,ARMV8LE)
AC_MSG_RESULT(ARMv8 Little Endian 64-bit)
c_targetcpu="arm"
c_unalignedmemory=yes
;;
*)
AC_DEFINE(C_TARGETCPU,UNKNOWN)
AC_MSG_RESULT(unknown)
c_unalignedmemory=no
;;
esac
dnl check for size of pointer being 4
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#if SIZEOF_INT_P != 4
#error size intp is not 4, this not something to worry about
#endif
void blah() {
;
}
])],[c_sizep=4],[c_sizep=0])
dnl automake 1.14 and upwards rewrite the host to have always 64 bit unless i386 as host is passed
dnl this can make building a 32 bit executable a bit tricky, as dosbox relies on the host to select the
dnl dynamic/dynrec core
AC_MSG_CHECKING([whether Apple user wants to override the build process to produce a 32 bit binary])
case "$host" in
*-*-darwin*)
if test x$c_targetcpu = xx86_64 -a x$c_sizep = x4 ; then
AC_MSG_RESULT(yes)
AC_DEFINE(C_TARGETCPU,X86)
c_targetcpu="x86"
else
AC_MSG_RESULT(no)
fi
;;
*)
AC_MSG_RESULT([no, not on Apple])
;;
esac
AC_ARG_ENABLE(dynamic-core,AC_HELP_STRING([--disable-dynamic-core],[Disable all dynamic cores]),,enable_dynamic_core=yes)
AH_TEMPLATE(C_DYNAMIC_X86,[Define to 1 to use x86/x64 dynamic cpu core])
AC_ARG_ENABLE(dynamic-x86,AC_HELP_STRING([--disable-dynamic-x86],[Disable x86/x64 dynamic cpu core]),,enable_dynamic_x86=yes)
AC_MSG_CHECKING(whether x86 dynamic cpu core will be enabled)
if test x$enable_dynamic_x86 = xno -o x$enable_dynamic_core = xno; then
AC_MSG_RESULT(no)
else
if test x$c_targetcpu = xx86 -o x$c_targetcpu = xx86_64; then
AC_DEFINE(C_DYNAMIC_X86,1)
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
fi
AH_TEMPLATE(C_DYNREC,[Define to 1 to use recompiling cpu core. Can not be used together with the dynamic-x86 core])
AC_ARG_ENABLE(dynrec,AC_HELP_STRING([--disable-dynrec],[Disable recompiling cpu core]),,enable_dynrec=yes)
AC_MSG_CHECKING(whether recompiling cpu core will be enabled)
if test x$enable_dynrec = xno -o x$enable_dynamic_core = xno; then
AC_MSG_RESULT(no)
else
dnl x86 only enable it if dynamic-x86 is disabled.
if test x$c_targetcpu = xx86 -o x$c_targetcpu = xx86_64; then
if test x$enable_dynamic_x86 = xno ; then
AC_DEFINE(C_DYNREC,1)
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT([no, using dynamic-x86])
fi
else
if test x$c_targetcpu = xarm ; then
AC_DEFINE(C_DYNREC,1)
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
fi
fi
AH_TEMPLATE(C_FPU,[Define to 1 to enable floating point emulation])
AC_ARG_ENABLE(fpu,AC_HELP_STRING([--disable-fpu],[Disable fpu support]),,enable_fpu=yes)
AC_MSG_CHECKING(whether fpu emulation will be enabled)
if test x$enable_fpu = xyes ; then
AC_MSG_RESULT(yes)
AC_DEFINE(C_FPU,1)
else
AC_MSG_RESULT(no)
fi
AH_TEMPLATE(C_FPU_X86,[Define to 1 to use a x86/x64 assembly fpu core])
AC_ARG_ENABLE(fpu-x86,AC_HELP_STRING([--disable-fpu-x86],[Disable x86 assembly fpu core]),,enable_fpu_x86=yes)
AC_ARG_ENABLE(fpu-x64,AC_HELP_STRING([--disable-fpu-x64],[Disable x64 assembly fpu core]),,enable_fpu_x64=yes)
AC_MSG_CHECKING(whether the x86/x64 assembly fpu core will be enabled)
if test x$enable_fpu_x86 = xno -o x$enable_fpu_x64 = xno; then
AC_MSG_RESULT(no)
else
if test x$enable_fpu = xyes; then
if test x$c_targetcpu = xx86 -o x$c_targetcpu = xx86_64; then
AC_DEFINE(C_FPU_X86,1)
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
else
AC_MSG_RESULT(no)
fi
fi
AH_TEMPLATE(C_UNALIGNED_MEMORY,[Define to 1 to use a unaligned memory access])
AC_ARG_ENABLE(unaligned_memory,AC_HELP_STRING([--disable-unaligned-memory],[Disable unaligned memory access]),,enable_unaligned_memory=yes)
AC_MSG_CHECKING(whether to enable unaligned memory access)
if test x$enable_unaligned_memory = xyes -a x$c_unalignedmemory = xyes; then
AC_DEFINE(C_UNALIGNED_MEMORY,1)
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AH_TEMPLATE(C_SSHOT,[Define to 1 to enable screenshots, requires libpng])
AC_ARG_ENABLE(screenshots,AC_HELP_STRING([--disable-screenshots],[Disable screenshots and movie recording]),,enable_screenshots=yes)
AC_CHECK_HEADER(png.h,have_png_h=yes,)
AC_CHECK_LIB(png, png_get_io_ptr, have_png_lib=yes, ,-lz)
AC_MSG_CHECKING([whether screenshots will be enabled])
if test x$enable_screenshots = xyes; then
if test x$have_png_lib = xyes -a x$have_png_h = xyes ; then
LIBS="$LIBS -lpng -lz"
AC_DEFINE(C_SSHOT,1)
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no, can't find libpng.])
fi
else
AC_MSG_RESULT([no])
fi
AH_TEMPLATE(C_MODEM,[Define to 1 to enable internal modem support, requires SDL2_net])
AH_TEMPLATE(C_IPX,[Define to 1 to enable IPX over Internet networking, requires SDL2_net])
AC_ARG_ENABLE(network,
AS_HELP_STRING([--disable-network],
[Disable networking features (modem, ipx)]),,
enable_network=yes)
AC_CHECK_HEADER(SDL_net.h,have_sdl_net_h=yes,)
AC_CHECK_LIB(SDL2_net, SDLNet_Init, have_sdl_net_lib=yes, , )
AC_MSG_CHECKING([whether networking features will be enabled])
if test x$enable_network = xyes ; then
if test x$have_sdl_net_lib = xyes -a x$have_sdl_net_h = xyes ; then
LIBS="$LIBS -lSDL2_net"
AC_DEFINE(C_MODEM,1)
AC_DEFINE(C_IPX,1)
AC_MSG_RESULT([yes])
else
AC_MSG_WARN([Can't find SDL_net, internal modem and ipx disabled])
fi
else
AC_MSG_RESULT([no])
fi
dnl Ogg Opus handling
dnl -----------------
dnl We want Opus tracks supported by default, and we also want the user
dnl to be aware if there's a problem finding the Opus dependencies so
dnl they can either a) install the opusfile library or b) explicitly
dnl disable Opus.
dnl To achieve this, we provide a --disable-opus-cdda configure option
dnl but by default we look for Opus and fail if we can't find it.
dnl We only skip supporting Opus if the user explicitly passes the
dnl --disable-opus-cdda argument.
AC_ARG_ENABLE(opus-cdda,
AS_HELP_STRING([--disable-opus-cdda],
[Disable Opus CD audio track support]))
AS_IF([test "x${enable_opus_cdda}" != "xno"],
[PKG_CHECK_MODULES([OPUSFILE],
[opusfile],
[LIBS="$LIBS $OPUSFILE_LIBS" HAVE_OPUS=yes])])
AM_CONDITIONAL(USE_OPUS, test "${HAVE_OPUS}" = "yes")
AH_TEMPLATE(C_OPENGL,[Define to 1 to use opengl display output support])
AC_CHECK_LIB(GL, main, have_gl_lib=yes, have_gl_lib=no , )
AC_CHECK_LIB(opengl32, main, have_opengl32_lib=yes,have_opengl32_lib=no , )
AC_CHECK_HEADER(GL/gl.h, have_gl_h=yes , have_gl_h=no , )
AC_ARG_ENABLE(opengl,AC_HELP_STRING([--disable-opengl],[Disable opengl support]),,enable_opengl=yes)
AC_MSG_CHECKING(whether opengl display output will be enabled)
if test x$enable_opengl = xyes; then
case "$host" in
*-*-darwin*)
AC_MSG_RESULT(yes)
LIBS="$LIBS -framework OpenGL -framework CoreFoundation"
AC_DEFINE(C_OPENGL,1)
;;
*)
if test x$have_gl_h = xyes -a x$have_gl_lib = xyes ; then
AC_MSG_RESULT(yes)
LIBS="$LIBS -lGL"
AC_DEFINE(C_OPENGL,1)
elif test x$have_gl_h = xyes -a x$have_opengl32_lib = xyes ; then
AC_MSG_RESULT(yes)
LIBS="$LIBS -lopengl32"
AC_DEFINE(C_OPENGL,1)
else
AC_MSG_RESULT(no)
fi
;;
esac
else
AC_MSG_RESULT(no)
fi
dnl Check for mprotect. Needed for 64 bits linux
AH_TEMPLATE(C_HAVE_MPROTECT,[Define to 1 if you have the mprotect function])
AC_CHECK_HEADER([sys/mman.h], [
AC_CHECK_FUNC([mprotect],[AC_DEFINE(C_HAVE_MPROTECT,1)])
])
dnl Check for realpath. Used on Linux
AC_CHECK_FUNCS([realpath])
dnl Setpriority
AH_TEMPLATE(C_SET_PRIORITY,[Define to 1 if you have setpriority support])
AC_MSG_CHECKING(for setpriority support)
AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <sys/resource.h>
int main(int argc,char * argv[]) {
return setpriority (PRIO_PROCESS, 0,PRIO_MIN+PRIO_MAX);
};
])],AC_MSG_RESULT(yes);AC_DEFINE(C_SET_PRIORITY,1),AC_MSG_RESULT(no))
dnl Some target detection and actions for them
case "$host" in
*-*-cygwin* | *-*-mingw* | *-*-msys*)
LIBS="$LIBS -lwinmm"
AC_DEFINE(WIN32, 1, [Compiling on Windows])
AC_DEFINE(NOMINMAX, 1, [Prevent <windows.h> from clobbering std::min and std::max])
AC_DEFINE(C_DIRECTSERIAL, 1, [ Define to 1 if you want serial passthrough support (Win32 and Posix).])
if test x$have_sdl_net_lib = xyes -a x$have_sdl_net_h = xyes ; then
LIBS="$LIBS -lws2_32"
fi
;;
*-*-darwin*)
dnl We have a problem here: both Mac OS X and Darwin report
dnl the same signature "powerpc-apple-darwin*" - so we have
dnl to do more to distinguish them.
dnl For now I am lazy and do not add proper detection code.
AC_DEFINE(MACOSX, 1, [Compiling on Mac OS X])
AC_DEFINE(C_DIRECTSERIAL, 1, [ Define to 1 if you want serial passthrough support (Win32 and Posix).])
;;
*-*-linux*)
AC_DEFINE(LINUX, 1, [Compiling on GNU/Linux])
AC_DEFINE(C_DIRECTSERIAL, 1, [ Define to 1 if you want serial passthrough support (Win32 and Posix).])
;;
*-*-freebsd* | *-*-dragonfly* | *-*-netbsd* | *-*-openbsd*)
dnl Disabled directserial for now. It doesn't do anything without
dnl specifying an extra ifdef in directserial_posix.*
dnl directserial detection should be rewritten to test for the needed
dnl functions and headers. I currently do not know
dnl which ones are needed for BSD
AC_DEFINE(BSD, 1, [Compiling on BSD])
AC_DEFINE(C_DIRECTSERIAL, 1, [ Define to 1 if you want serial passthrough support (Win32 and Posix).])
;;
esac
dnl Some stuff for the icon.
case "$host" in
*-*-cygwin* | *-*-mingw* | *-*-msys*)
dnl Some stuff for the ico
AC_CHECK_TOOL(WINDRES, windres, :)
;;
*)
WINDRES=":"
;;
esac
AM_CONDITIONAL(HAVE_WINDRES, test "x$WINDRES" != "x:")
AC_SUBST(WINDRES)
AH_TOP([
/*
* Copyright (C) 2002-2020 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
])
AH_BOTTOM([#if C_ATTRIBUTE_ALWAYS_INLINE
#define INLINE inline __attribute__((always_inline))
#else
#define INLINE inline
#endif])
AH_BOTTOM([#if C_ATTRIBUTE_FASTCALL
#define DB_FASTCALL __attribute__((fastcall))
#else
#define DB_FASTCALL
#endif])
AC_CONFIG_FILES([
Makefile
src/Makefile
src/cpu/Makefile
src/cpu/core_full/Makefile
src/cpu/core_normal/Makefile
src/cpu/core_dyn_x86/Makefile
src/cpu/core_dynrec/Makefile
src/debug/Makefile
src/dos/Makefile
src/fpu/Makefile
src/gui/Makefile
src/hardware/Makefile
src/hardware/mame/Makefile
src/hardware/serialport/Makefile
src/ints/Makefile
src/libs/Makefile
src/libs/zmbv/Makefile
src/libs/gui_tk/Makefile
src/libs/decoders/Makefile
src/libs/nuked/Makefile
src/libs/ppscale/Makefile
src/misc/Makefile
src/shell/Makefile
src/platform/Makefile
src/platform/visualc/Makefile
include/Makefile
docs/Makefile
])
AC_OUTPUT
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