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dnl This macros is intended to define platform specific tuned CFLAGS/CCASFLAGS
AC_DEFUN([AG_GST_CPU_TUNE],
[
CPU_TUNE_CFLAGS=""
CPU_TUNE_CCASFLAGS=""
CPU_TUNE_LDFLAGS=""
dnl tune build for Atom
AC_ARG_ENABLE(cpu-tune-atom,
AC_HELP_STRING([--enable-cpu-tune-atom],
[enable CFLAGS/CCASFLAGS tuned for Intel Atom]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
AC_MSG_NOTICE(Build will be tuned for Intel Atom)
AS_COMPILER_FLAG(-O3,
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS -O3")
AS_COMPILER_FLAG(-march=atom, [march_atom=yes], [march_atom=no])
if test "x$march_atom" = xyes; then
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS -march=atom"
else
AS_COMPILER_FLAG(-msse3,
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS -msse3")
AS_COMPILER_FLAG(-march=nocona,
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS -march=nocona")
fi
AS_COMPILER_FLAG(-mfpmath=sse,
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS -mfpmath=sse")
fi
dnl tune build for Nokia N800
AC_ARG_ENABLE(cpu-tune-n800,
AC_HELP_STRING([--enable-cpu-tune-n800],
[enable CFLAGS/CCASFLAGS tuned for Nokia N800]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
NEW_FLAGS=""
AC_MSG_NOTICE(Build will be tuned for Nokia N800)
AS_COMPILER_FLAG(-march=armv6j,
NEW_FLAGS="$NEW_FLAGS -march=armv6j")
AS_COMPILER_FLAG(-mtune=arm1136j-s,
NEW_FLAGS="$NEW_FLAGS -mtune=arm1136j-s")
dnl Some assembly code requires -fomit-frame-pointer
AS_COMPILER_FLAG(-fomit-frame-pointer,
NEW_FLAGS="$NEW_FLAGS -fomit-frame-pointer")
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS $NEW_FLAGS"
CPU_TUNE_CCASFLAGS="$CPU_TUNE_CCASFLAGS $NEW_FLAGS"
AC_DEFINE(USE_ARMV6_SIMD, TRUE, [Build with ARM v6 optimizations])
fi
dnl tune build for Raspberry PI
AC_ARG_ENABLE(cpu-tune-rpi,
AC_HELP_STRING([--enable-cpu-tune-rpi],
[enable CFLAGS/CCASFLAGS tuned for Raspberry PI]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
NEW_FLAGS=""
AC_MSG_NOTICE(Build will be tuned for Raspberry PI)
AS_COMPILER_FLAG(-march=armv6j,
NEW_FLAGS="$NEW_FLAGS -march=armv6j")
AS_COMPILER_FLAG(-mtune=arm1176jzf-s,
NEW_FLAGS="$NEW_FLAGS -mtune=arm1176jzf-s")
dnl Some assembly code requires -fomit-frame-pointer
AS_COMPILER_FLAG(-fomit-frame-pointer,
NEW_FLAGS="$NEW_FLAGS -fomit-frame-pointer")
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS $NEW_FLAGS"
CPU_TUNE_CCASFLAGS="$CPU_TUNE_CCASFLAGS $NEW_FLAGS"
AC_DEFINE(USE_ARMV6_SIMD, TRUE, [Build with ARM v6 optimizations])
fi
dnl tune build for Marvell Dove
AC_ARG_ENABLE(cpu-tune-dove,
AC_HELP_STRING([--enable-cpu-tune-dove],
[enable CFLAGS/CCASFLAGS tuned for Marvell Dove]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
NEW_FLAGS=""
AC_MSG_NOTICE(Build will be tuned for Marvell Dove)
AS_COMPILER_FLAG(-march=armv7-a,
NEW_FLAGS="$NEW_FLAGS -march=armv7-a")
AS_COMPILER_FLAG(-mtune=marvell-pj4, [mtune_pj4=yes], [mtune_pj4=no])
if test "x$mtune_pj4" = xyes; then
dnl FIXME: we should use -mcpu=marvell-pj4 too instead of -march
dnl but doesn't work in Ubuntu gcc 4.8 from ppa:ubuntu-toolchain-r
NEW_FLAGS="$NEW_FLAGS -mtune=marvell-pj4"
else
AS_COMPILER_FLAG(-mtune=cortex-a9,
NEW_FLAGS="$NEW_FLAGS -mtune=cortex-a9")
fi
AS_COMPILER_FLAG(-mthumb,
NEW_FLAGS="$NEW_FLAGS -mthumb")
AS_COMPILER_FLAG(-mfloat-abi=softfp,
NEW_FLAGS="$NEW_FLAGS -mfloat-abi=softfp")
AS_COMPILER_FLAG(-mfpu=vfpv3-d16,
NEW_FLAGS="$NEW_FLAGS -mfpu=vfpv3-d16")
dnl Some assembly code requires -fomit-frame-pointer
AS_COMPILER_FLAG(-fomit-frame-pointer,
NEW_FLAGS="$NEW_FLAGS -fomit-frame-pointer")
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS $NEW_FLAGS"
CPU_TUNE_CCASFLAGS="$CPU_TUNE_CCASFLAGS $NEW_FLAGS"
AC_DEFINE(USE_ARMV6_SIMD, TRUE, [Build with ARM v6 optimizations])
fi
dnl Build the ARM v6 code
AC_ARG_ENABLE(armv6-code,
AC_HELP_STRING([--enable-armv6-code],
[enable conditional code for armv6]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
AC_MSG_NOTICE(Build with ARM v6 assembly optimized code)
AC_DEFINE(USE_ARMV6_SIMD, TRUE, [Build with ARM v6 optimizations])
fi
dnl tune build for ARM Cortex A8 cpus
AC_ARG_ENABLE(cpu-tune-cortex-a8,
AC_HELP_STRING([--enable-cpu-tune-cortex-a8],
[enable CFLAGS/CCASFLAGS tuned for ARM Cortex A8]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
NEW_FLAGS=""
AC_MSG_NOTICE(Build will be tuned for ARM Cortex A8)
AS_COMPILER_FLAG(-mcpu=cortex-a8, [mcpu_a8=yes], [mcpu_a8=no])
if test "x$mcpu_a8" = xyes; then
NEW_FLAGS="$NEW_FLAGS -mcpu=cortex-a8"
else
AS_COMPILER_FLAG(-march=armv7-a,
NEW_FLAGS="$NEW_FLAGS -march=armv7-a")
AS_COMPILER_FLAG(-mtune=cortex-a8,
NEW_FLAGS="$NEW_FLAGS -mtune=cortex-a8")
fi
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS $NEW_FLAGS"
CPU_TUNE_CCASFLAGS="$CPU_TUNE_CCASFLAGS $NEW_FLAGS"
fi
dnl tune build for ARM Cortex A9 cpus
AC_ARG_ENABLE(cpu-tune-cortex-a9,
AC_HELP_STRING([--enable-cpu-tune-cortex-a9],
[enable CFLAGS/CCASFLAGS tuned for ARM Cortex A9]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
NEW_FLAGS=""
AC_MSG_NOTICE(Build will be tuned for ARM Cortex A9)
AS_COMPILER_FLAG(-mcpu=cortex-a9, [mcpu_a9=yes], [mcpu_a9=no])
if test "x$mcpu_a9" = xyes; then
NEW_FLAGS="$NEW_FLAGS -mcpu=cortex-a9"
else
AS_COMPILER_FLAG(-march=armv7-a,
NEW_FLAGS="$NEW_FLAGS -march=armv7-a")
AS_COMPILER_FLAG(-mtune=cortex-a9,
NEW_FLAGS="$NEW_FLAGS -mtune=cortex-a9")
fi
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS $NEW_FLAGS"
CPU_TUNE_CCASFLAGS="$CPU_TUNE_CCASFLAGS $NEW_FLAGS"
fi
dnl tune build using vfp+softfp
AC_ARG_ENABLE(cpu-tune-vfp,
AC_HELP_STRING([--enable-cpu-tune-vfp],
[enable build of ARM vfp optimizations]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
NEW_FLAGS=""
AS_COMPILER_FLAG(-marm,
NEW_FLAGS="$NEW_FLAGS -marm")
AS_COMPILER_FLAG(-mfloat-abi=softfp,
NEW_FLAGS="$NEW_FLAGS -mfloat-abi=softfp")
AS_COMPILER_FLAG(-mfpu=vfp,
NEW_FLAGS="$NEW_FLAGS -mfpu=vfp")
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS $NEW_FLAGS"
CPU_TUNE_CCASFLAGS="$CPU_TUNE_CCASFLAGS $NEW_FLAGS"
AC_DEFINE(USE_ARM_VFP, TRUE, [Build with ARM vfp optimizations])
fi
AM_CONDITIONAL(USE_ARM_VFP, test "x$TUNE" = "xyes")
dnl tune build using vfp+hardfp
AC_ARG_ENABLE(cpu-tune-vfp-hf,
AC_HELP_STRING([--enable-cpu-tune-vfp-hf],
[enable build of ARM vfp optimizations]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
NEW_FLAGS=""
AS_COMPILER_FLAG(-marm,
NEW_FLAGS="$NEW_FLAGS -marm")
AS_COMPILER_FLAG(-mfloat-abi=hard,
NEW_FLAGS="$NEW_FLAGS -mfloat-abi=hard")
AS_COMPILER_FLAG(-mfpu=vfp,
NEW_FLAGS="$NEW_FLAGS -mfpu=vfp")
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS $NEW_FLAGS"
CPU_TUNE_CCASFLAGS="$CPU_TUNE_CCASFLAGS $NEW_FLAGS"
AC_DEFINE(USE_ARM_VFP, TRUE, [Build with ARM vfp optimizations])
fi
AM_CONDITIONAL(USE_ARM_VFP, test "x$TUNE" = "xyes")
dnl tune build using neon+softfp
AC_ARG_ENABLE(cpu-tune-neon,
AC_HELP_STRING([--enable-cpu-tune-neon],
[enable build of with ARM neon optimizations]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
NEW_FLAGS=""
AS_COMPILER_FLAG(-marm,
NEW_FLAGS="$NEW_FLAGS -marm")
AS_COMPILER_FLAG(-mfloat-abi=softfp,
NEW_FLAGS="$NEW_FLAGS -mfloat-abi=softfp")
AS_COMPILER_FLAG(-mfpu=neon,
NEW_FLAGS="$NEW_FLAGS -mfpu=neon")
AS_COMPILER_FLAG(-ffast-math,
NEW_FLAGS="$NEW_FLAGS -ffast-math")
AS_COMPILER_FLAG(-fsingle-precision-constant,
NEW_FLAGS="$NEW_FLAGS -fsingle-precision-constant")
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS $NEW_FLAGS"
CPU_TUNE_CCASFLAGS="$CPU_TUNE_CCASFLAGS $NEW_FLAGS"
AC_DEFINE(USE_ARM_NEON, TRUE, [Build with ARM neon optimizations])
fi
dnl tune build using neon+hardfp
AC_ARG_ENABLE(cpu-tune-neon-hf,
AC_HELP_STRING([--enable-cpu-tune-neon-hf],
[enable build of with ARM neon optimizations]),
[TUNE=yes],
[TUNE=no]) dnl Default value
if test "x$TUNE" = xyes; then
NEW_FLAGS=""
AS_COMPILER_FLAG(-marm,
NEW_FLAGS="$NEW_FLAGS -marm")
AS_COMPILER_FLAG(-mfloat-abi=hard,
NEW_FLAGS="$NEW_FLAGS -mfloat-abi=hard")
AS_COMPILER_FLAG(-mfpu=neon,
NEW_FLAGS="$NEW_FLAGS -mfpu=neon")
AS_COMPILER_FLAG(-ffast-math,
NEW_FLAGS="$NEW_FLAGS -ffast-math")
AS_COMPILER_FLAG(-fsingle-precision-constant,
NEW_FLAGS="$NEW_FLAGS -fsingle-precision-constant")
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS $NEW_FLAGS"
CPU_TUNE_CCASFLAGS="$CPU_TUNE_CCASFLAGS $NEW_FLAGS"
AC_DEFINE(USE_ARM_NEON, TRUE, [Build with ARM neon optimizations])
fi
AM_CONDITIONAL(USE_ARM_NEON, test "x$TUNE" = "xyes")
dnl tune build on Solaris with Sun Forte CC
AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
if test "x$SUNCC" == "xyes"; then
AS_COMPILER_FLAG([-xO5],
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS -xO5")
AS_COMPILER_FLAG([-xspace],
CPU_TUNE_CFLAGS="$CPU_TUNE_CFLAGS -xspace")
fi
dnl No execstack depends on the platform
case "$host" in
*darwin*)
;;
*mingw*)
;;
*-sun-* | *pc-solaris* )
AC_CHECK_FILE([/usr/lib/ld/map.noexstk],
[CPU_TUNE_LDFLAGS="${CPU_TUNE_LDFLAGS} -Wl,-M/usr/lib/ld/map.noexstk -static-libgcc"])
;;
*)
dnl FIXME: this is a test for compiler flags but we are testing a linker flag
AS_COMPILER_FLAG([-Wl,-znoexecstack],
[CPU_TUNE_LDFLAGS="$CPU_TUNE_LDFLAGS -Wl,-znoexecstack"])
;;
esac
dnl libtool requires -no-udefined to build a DLL in windows
case "$host" in
*mingw*)
CPU_TUNE_LDFLAGS="$CPU_TUNE_LDFLAGS -no-undefined"
;;
esac
AC_SUBST(CPU_TUNE_CFLAGS)
AC_SUBST(CPU_TUNE_CCASFLAGS)
AC_SUBST(CPU_TUNE_LDFLAGS)
if test "x$CPU_TUNE_CFLAGS" != "x"; then
AC_MSG_NOTICE(CPU_TUNE_CFLAGS : $CPU_TUNE_CFLAGS)
AC_MSG_NOTICE(CPU_TUNE_CCASFLAGS: $CPU_TUNE_CCASFLAGS)
AC_MSG_NOTICE(CPU_TUNE_LDFLAGS : $CPU_TUNE_LDFLAGS)
fi
])
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