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100 lines
2.3 KiB
100 lines
2.3 KiB
AC_INIT([renderer],[2.3d],[ttsiodras@gmail.com])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_MACRO_DIR([ac-macros])
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# Don't clutter this dir, store in build-aux
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AC_CONFIG_AUX_DIR([build-aux])
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# Detect the canonical host and target build environment
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AC_CANONICAL_HOST
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AC_CANONICAL_TARGET
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AM_INIT_AUTOMAKE([-Wall -Werror])
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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AC_PROG_CC
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AC_PROG_CXX
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AC_PROG_RANLIB
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AC_LANG(C++)
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# Check for SDL (minimum: 2.0.0)
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SDL2_VERSION=2.0.0
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AM_PATH_SDL2($SDL2_VERSION, :,
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AC_MSG_ERROR([*** SDL version $SDL_VERSION or later was not found!]))
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AC_SUBST(SDL2_CFLAGS)
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AC_SUBST(SDL2_LIBS)
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# Check for standard C++ library
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AC_CHECK_LIB(stdc++, main)
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# Stuff provided by autoscan
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AC_CHECK_FUNCS([clock_gettime])
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AC_CHECK_FUNCS([memset])
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AC_CHECK_FUNCS([pow])
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AC_CHECK_FUNCS([sqrt])
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AC_CHECK_HEADERS([malloc.h])
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AC_CHECK_HEADERS([stdint.h])
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AC_CHECK_HEADER_STDBOOL
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AC_C_INLINE
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AC_C_RESTRICT
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AC_FUNC_ALLOCA
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AC_FUNC_MALLOC
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AC_FUNC_REALLOC
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AC_PROG_CPP
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AC_TYPE_INT16_T
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AC_TYPE_INT32_T
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AC_TYPE_INT64_T
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AC_TYPE_INT8_T
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AC_TYPE_SIZE_T
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AC_TYPE_UINT16_T
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AC_TYPE_UINT32_T
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AC_TYPE_UINT64_T
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AC_TYPE_UINT8_T
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# Best optimization flags for our compiler
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AX_CXXFLAGS_GCC_OPTION(-std=c++20)
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AX_CXXFLAGS_GCC_OPTION(-Wall)
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AX_CXXFLAGS_GCC_OPTION(-Wextra)
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# AX_CXXFLAGS_GCC_OPTION(-pedantic)
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#
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# Give me speed!
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AX_CFLAGS_GCC_OPTION(-fomit-frame-pointer)
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AX_CFLAGS_GCC_OPTION(-ffast-math)
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AX_CFLAGS_GCC_OPTION(-funsafe-math-optimizations)
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AX_CFLAGS_GCC_OPTION(-mtune=native)
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AX_CFLAGS_GCC_OPTION(-O3)
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AX_CXXFLAGS_GCC_OPTION(-fomit-frame-pointer)
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AX_CXXFLAGS_GCC_OPTION(-ffast-math)
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AX_CXXFLAGS_GCC_OPTION(-funsafe-math-optimizations)
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AX_CXXFLAGS_GCC_OPTION(-mtune=native)
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AX_CXXFLAGS_GCC_OPTION(-O3)
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AC_MSG_CHECKING(for SSE)
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AC_RUN_IFELSE([AC_LANG_SOURCE([#include <stdlib.h>
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#include <signal.h>
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void catchme(int) { exit(1); }
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int main(void) {
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signal(SIGILL, catchme);
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__asm__ volatile ("xorps %%xmm0, %%xmm0":::"memory"); return 0;
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}
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])], [HAVESSE=yes], [HAVESSE=no])
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AC_MSG_RESULT($HAVESSE)
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if test x"${HAVESSE}" = xyes ; then
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AX_CFLAGS_GCC_OPTION(-msse)
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AX_CXXFLAGS_GCC_OPTION(-msse)
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fi
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AC_SUBST(WHOLEPROGRAM)
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# Drop any asserts
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CFLAGS="$CFLAGS -DNDEBUG"
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CXXFLAGS="$CXXFLAGS -DNDEBUG"
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# Finally create the generated Makefile from Makefile.am
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AC_CONFIG_FILES([Makefile])
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AC_OUTPUT
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