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dnl Process this file with autoconf to produce a configure script.
dnl author: Mike Smith (grimbough@gmail.com)
AC_PREREQ([2.65])
AC_INIT([hdf5Filters], [0.99.3], [grimbough@gmail.com])
AC_CONFIG_SRCDIR([src])
m4_include([tools/ax_gcc_x86_cpu_supports.m4])
m4_include([tools/ax_check_compile_flag.m4])
: ${R_HOME=`R RHOME`}
if test -z "${R_HOME}"; then
echo "could not determine R_HOME"
exit 1
fi
AC_SUBST(CC, `"${R_HOME}/bin/R" CMD config CC`)
AC_SUBST(CFLAGS, `"${R_HOME}/bin/R" CMD config CFLAGS`)
AC_SUBST(CPICFLAGS, `"${R_HOME}/bin/R" CMD config CPICFLAGS`)
AC_SUBST(CXX, `"${R_HOME}/bin/R" CMD config CXX`)
AC_SUBST(CXXFLAGS, `"${R_HOME}/bin/R" CMD config CXXFLAGS`)
AC_SUBST(CXXPICFLAGS, `"${R_HOME}/bin/R" CMD config CXXPICFLAGS`)
AC_SUBST(CPPFLAGS, `"${R_HOME}/bin/R" CMD config CPPFLAGS`)
AC_SUBST(MAKE, `"${R_HOME}/bin/R" CMD config MAKE`)
AC_SUBST(RANLIB, `"${R_HOME}/bin/R" CMD config RANLIB`)
AC_SUBST(LDFLAGS, `"${R_HOME}/bin/R" CMD config LDFLAGS`)
## seems unreliable as to whether this information is available
AR=`"${R_HOME}/bin/R" CMD config AR`
AS_IF([test "x$AR" = "xERROR: no information for variable 'AR'"], [AC_PATH_PROG([AR], [ar])], [])
AC_SUBST(AR)
## determine the location of the Rhdf5lib versions of the HDF5 library
RHDF5_INCLUDE=`"${R_HOME}/bin${R_ARCH_BIN}/Rscript" -e 'cat(system.file("include", package="Rhdf5lib"))' | \
tail -n1`
AC_SUBST(RHDF5_INCLUDE)
echo "configuring the BLOSC filter..."
## check if we have an x86 CPU
machine=`uname -m`
AS_CASE([$machine],
[*86*], [x86_CPU=true],
[x86_CPU=false]
)
echo x86_CPU="$x86_CPU"
## see if -msse2 is a supported flag
AX_CHECK_COMPILE_FLAG([-msse2], [MSSE2=true], [MSSE2=false])
## see if -mavx2 is a supported flag
AX_CHECK_COMPILE_FLAG([-mavx2], [MAVX2=true], [MAVX2=false])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([#include <stdlib.h>],
[__builtin_cpu_init ();])
],
[ax_cv_gcc_check_x86_cpu_init=true],
[ax_cv_gcc_check_x86_cpu_init=false])
## check CPU supports sse2 and avx2
if [ "$x86_CPU" == true ] && [ "$ax_cv_gcc_check_x86_cpu_init" == true ]; then
AX_GCC_X86_CPU_SUPPORTS(sse2, [SSE2_SUPPORTED=true], [SSE2_SUPPORTED=false])
AX_GCC_X86_CPU_SUPPORTS(avx2, [AVX2_SUPPORTED=true], [AVX2_SUPPORTED=false])
else
SSE2_SUPPORTED=false
AVX2_SUPPORTED=false
fi
if [ "$MSSE2" = true ] && [ "$SSE2_SUPPORTED" = true ] ; then
SSE2="-DSHUFFLE_SSE2_ENABLED"
MSSE2="-msse2"
SSE2_BITSHUFFLE='bitshuffle-sse2.o: bitshuffle-sse2.c
$(CC) $(FLAGS) -c bitshuffle-sse2.c'
SSE2_BITSHUFFLE_OBJ='bitshuffle-sse2.o'
SSE2_SHUFFLE='shuffle-sse2.o: shuffle-sse2.c
$(CC) $(FLAGS) -c shuffle-sse2.c'
SSE2_SHUFFLE_OBJ='shuffle-sse2.o'
SSE2_OBJ_PATH='lib/blosc-1.20.1/'
else
SSE2=""
MSSE2=""
SSE2_BITSHUFFLE=""
SSE2_SHUFFLE=""
SSE2_BITSHUFFLE_OBJ=""
SSE2_SHUFFLE_OBJ=""
SSE2_OBJ_PATH=""
fi
AC_SUBST(SSE2)
AC_SUBST(MSSE2)
AC_SUBST(SSE2_BITSHUFFLE)
AC_SUBST(SSE2_SHUFFLE)
AC_SUBST(SSE2_BITSHUFFLE_OBJ)
AC_SUBST(SSE2_SHUFFLE_OBJ)
AC_SUBST(SSE2_OBJ_PATH)
if [ "$MAVX2" = true ] && [ "$AVX2_SUPPORTED" = true ] ; then
AVX2="-DSHUFFLE_AVX2_ENABLED"
MAVX2="-mavx2"
AVX2_BITSHUFFLE='bitshuffle-avx2.o: bitshuffle-avx2.c
$(CC) $(FLAGS) -c bitshuffle-avx2.c'
AVX2_BITSHUFFLE_OBJ='bitshuffle-avx2.o'
AVX2_SHUFFLE='shuffle-avx2.o: shuffle-avx2.c
$(CC) $(FLAGS) -c shuffle-avx2.c'
AVX2_SHUFFLE_OBJ='shuffle-avx2.o'
AVX2_OBJ_PATH='lib/blosc-1.20.1/'
else
AVX2=""
MAVX2=""
AVX2_BITSHUFFLE=""
AVX2_SHUFFLE=""
AVX2_BITSHUFFLE_OBJ=""
AVX2_SHUFFLE_OBJ=""
AVX2_OBJ_PATH=""
fi
AC_SUBST(AVX2)
AC_SUBST(MAVX2)
AC_SUBST(AVX2_BITSHUFFLE)
AC_SUBST(AVX2_SHUFFLE)
AC_SUBST(AVX2_BITSHUFFLE_OBJ)
AC_SUBST(AVX2_SHUFFLE_OBJ)
AC_SUBST(AVX2_OBJ_PATH)
AC_CONFIG_FILES([src/blosc/Makefile])
AC_OUTPUT
dnl update variables in Makevars
BZIP2_LIB="bzip2/libH5Zbz2.so"
BLOSC_LIB="blosc/libH5Zblosc.so"
LZF_LIB="lzf/libH5Zlzf.so"
AC_SUBST(BZIP2_LIB)
AC_SUBST(BLOSC_LIB)
AC_SUBST(LZF_LIB)
AC_MSG_NOTICE([ BZIP2_LIB=${BZIP2_LIB}])
AC_MSG_NOTICE([ BLOSC_LIB=${BLOSC_LIB}])
AC_MSG_NOTICE([ LZF_LIB=${LZF_LIB}])
AC_CONFIG_FILES([src/Makevars])
AC_OUTPUT
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