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# -*- shell-script -*-
#
# This file is part of the HDF5 build script. It is processed shortly
# after configure starts and defines, among other things, flags for
# the various compile modes.
# Use Intel C compiler by default (if it's available).
if test "X$CC" = "X" && which icc > /dev/null; then
CC=icc
CC_BASENAME=icc
fi
#----------------------------------------------------------------------------
# Compiler flags. The CPPFLAGS values should not include package debug
# flags like `-DH5G_DEBUG' since these are added with the
# `--enable-debug' switch of configure. For ecc 7.1, because of the
# overlapping definitions of int64_t(starting from int8_t) in sys/types.h
# and stdint.h, we added -D__GNUC__ to CFLAGS.
# This problem is no longer true and the -D_GNUC__ actually caused failure.
# So it is removed.
case $CC_BASENAME in
ecc|icc)
. $srcdir/config/intel-flags
;;
gcc)
. $srcdir/config/gnu-flags
;;
*)
CFLAGS="$CFLAGS -ansi"
DEBUG_CFLAGS="-g"
DEBUG_CPPFLAGS=
PROD_CFLAGS="-O"
PROD_CPPFLAGS=
PROFILE_CFLAGS="-pg"
PROFILE_CPPFLAGS=
;;
esac
# The default Fortran 90 compiler
#
# HDF5 integers
#
# R_LARGE is the number of digits for the bigest integer supported.
# R_INTEGER is the number of digits in INTEGER
#
# (for the Linux architechture)
#
R_LARGE=18
R_INTEGER=9
# Use Intel Fortran compiler by default.
if test "X-$F9X" = "X-"; then
F9X="ifort"
fi
case $F9X in
*efc|*ifort)
# this is for efc v7. Older efc do not work with these.
# -Vaxlib is for non-standard fortran calls like exit().
MORE_FFLAGS='-fpp -DDEC$=DEC_ -DMS$=MS_ -Vaxlib'
FFLAGS="$FFLAGS $MORE_FFLAGS"
HSIZE_T='SELECTED_INT_KIND(R_LARGE)'
HSSIZE_T='SELECTED_INT_KIND(R_LARGE)'
HID_T='SELECTED_INT_KIND(R_INTEGER)'
SIZE_T='SELECTED_INT_KIND(R_LARGE)'
OBJECT_NAMELEN_DEFAULT_F=-1
f9x_flags_set=yes
;;
*)
HSIZE_T='SELECTED_INT_KIND(R_LARGE)'
HSSIZE_T='SELECTED_INT_KIND(R_LARGE)'
HID_T='SELECTED_INT_KIND(R_INTEGER)'
SIZE_T='SELECTED_INT_KIND(R_LARGE)'
OBJECT_NAMELEN_DEFAULT_F=-1
f9x_flags_set=yes
;;
esac
# The following is not right and need work.
if test "X$f9x_flags_set" = "X"; then
F9XSUFFIXFLAG=""
FSEARCH_DIRS=""
FFLAGS="$FFLAGS"
DEBUG_FFLAGS=""
PROD_FFLAGS=""
PROFILE_FFLAGS=""
f9x_flags_set=yes
fi
# The Default settings for C++
if test -z "$CXX"; then
CXX=icc
CXX_BASENAME=icc
fi
# A patch to make g++ getting the default settings.
# CXX_BASENAME should have been set in configure.
if test "X$CXX" = "Xg++"; then
CXX_BASENAME=g++
fi
case $CXX_BASENAME in
ecc|icc) # Intel compilers
# Default to C99 standard.
CXXFLAGS="${CXXFLAGS:--std=c99}"
DEBUG_CXXFLAGS="-g -w2 -Wall"
DEBUG_CPPFLAGS=
PROD_CXXFLAGS="" #Default optimization O2 is used
PROD_CPPFLAGS=
PROFILE_CXXFLAGS="-pg"
PROFILE_CPPFLAGS=
;;
g++)
CXXFLAGS="$CXXFLAGS -Wsign-compare" #Only works for some versions
DEBUG_CXXFLAGS="-g -fverbose-asm"
DEBUG_CPPFLAGS=
PROD_CXXFLAGS="-O3 -fomit-frame-pointer"
PROD_CPPFLAGS=
PROFILE_CXXFLAGS="-pg"
PROFILE_CPPFLAGS=
;;
*)
# Default to C99 standard.
CXXFLAGS="${CXXFLAGS:--std=c99}"
DEBUG_CXXFLAGS="-g"
DEBUG_CPPFLAGS=
PROD_CXXFLAGS="-O"
PROD_CPPFLAGS=
PROFILE_CXXFLAGS="-pg"
PROFILE_CPPFLAGS=
;;
esac
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