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b047710a95
Use a slightly less efficient method of computing the log2() on SGI IRIX64,
in order to avoid a compiler bug when optimizations are turned on.
Tested on:
SGI IRIX64 6.5 (atlantia)
198 lines
7.4 KiB
Bash
198 lines
7.4 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright by the Board of Trustees of the University of Illinois.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the files COPYING and Copyright.html. COPYING can be found at the root
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# of the source code distribution tree; Copyright.html can be found at the
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# root level of an installed copy of the electronic HDF5 document set and
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# is linked from the top-level documents page. It can also be found at
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# http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have
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# access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu.
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# This file is part of the HDF5 build script. It is processed shortly
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# after configure starts and defines, among other things, flags for
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# the various compile modes.
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#
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# See BlankForm in this directory for details.
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# Disable dependency tracking on IRIX unless the user specifically asks for
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# it.
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# IRIX's pmake confuses automake (as of version 1.9) if dependency tracking
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# is enabled and it is not an in-place build. Simply disabling dependency
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# tracking on IRIX is simpler to implement than detecting pmake, detecting
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# when a build is not in-place, and then disabling dependency tracking.
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if test -z "${enable_dependency_tracking}"; then
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enable_dependency_tracking="no"
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fi
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# Use SGI supplied C compiler by default. There is no ranlib
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if test "X-" = "X-$CC"; then
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CC='cc'
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CC_BASENAME=cc
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# use c99 compiler if available.
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if `c99 -version >/dev/null 2>&1` ; then
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CC='c99'
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fi
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fi
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RANLIB=:
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# Compiler flags
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case "X-$CC_BASENAME" in
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X-gcc)
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. $srcdir/config/gnu-flags
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;;
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*)
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if [ "$CC_BASENAME" = "cc" ] || ($CC -version 2>&1 | grep -s "MIPSpro Compilers") 2>&1 > /dev/null; then
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# use these flags if this is the SGI cc compiler or some compiler
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# command that eventually uses the SGI cc compiler.
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# Check for old versions of the compiler that don't work right.
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case "`$CC -version 2>&1 |head -1`" in
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"Mongoose Compilers: Version 7.00")
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echo " +---------------------------------------------------+"
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echo " | You have an old version of cc (Mongoose Compilers |"
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echo " | version 7.00). Please upgrade to MIPSpro version |"
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echo " | 7.2.1.2m (patches are available from the SGI web |"
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echo " | site). The 7.00 version may generate incorrect |"
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echo " | code, especially when optimizations are enabled. |"
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echo " +---------------------------------------------------+"
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sleep 5
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;;
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esac
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# Always turn off these compiler warnings for the -64 compiler:
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# 1174: function declared but not used
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# 1196: __vfork() (this is an SGI config problem)
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# 1209: constant expressions
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# 1429: the `long long' type is not standard
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# 1685: turn off warnings about turning off invalid warnings
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# 3201: remark - parameter not referenced
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#CFLAGS="$CFLAGS -woff 1174,1429,1209,1196,1685,3201"
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H5_CFLAGS="$H5_CFLAGS -woff 1209,3201"
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# Always turn off these compiler warnings for the old compiler:
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# 799: the `long long' type is not standard
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# 803: turn off warnings about turning off invalid warnings
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# 835: __vfork() (this is an SGI config problem)
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#CFLAGS="$CFLAGS -woff 799,803,835"
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# Always turn off these loader warnings:
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# (notice the peculiar syntax)
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# 47: branch instructions that degrade performance on R4000
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# 84: a library is not used
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# 85: duplicate definition preemption (from -lnsl)
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# 134: duplicate weak definition preemption (from -lnsl)
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H5_CFLAGS="$H5_CFLAGS -Wl,-woff,47,-woff,84,-woff,85,-woff,134"
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fi
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# Extra debugging flags
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DEBUG_CFLAGS="-g -fullwarn"
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DEBUG_CPPFLAGS=
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# Extra production flags
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PROD_CFLAGS="-O -OPT:Olimit=0 -s"
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PROD_CPPFLAGS=
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# Extra profiling flags
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PROFILE_CFLAGS=
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PROFILE_CPPFLAGS=
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;;
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esac
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# The default Fortran 90 compiler
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if test "X-" = "X-$FC"; then
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FC="f90"
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fi
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if test "X-" = "X-$f9x_flags_set"; then
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F9XSUFFIXFLAG=""
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FSEARCH_DIRS=""
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H5_FCFLAGS="$H5_FCFLAGS -mips4 -O -s"
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DEBUG_FCFLAGS="-mips4 -O -s"
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PROD_FCFLAGS="-mips4 -O -s"
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PROFILE_FCFLAGS="-mips4 -O -s"
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f9x_flags_set=yes
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fi
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# The default C++ compiler
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# The default compiler is `MIPSpro CC'
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if test -z "$CXX"; then
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CXX=CC
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CXX_BASENAME=CC
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fi
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# Try native compiler flags
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if test -z "$cxx_flags_set"; then
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# -LANG:std required for std use; -ptused causes templates used to be
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# instantiated
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CPPFLAGS="$CPPFLAGS -LANG:std"
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H5_CPPFLAGS="$H5_CPPFLAGS -ptused"
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# libCio is a default library, since libtool before 1.5 doesn't fully
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# support C++ yet, default libraries must be explicitly specified.
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# A new macro is used for this temporary and specific task so it
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# won't polute the existing configuration
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DEFAULT_LIBS="-lCio"
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DEBUG_CXXFLAGS=-g
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DEBUG_CPPFLAGS=
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PROD_CXXFLAGS="-O -s"
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PROD_CPPFLAGS=
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PROFILE_CXXFLAGS=-xpg
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PROFILE_CPPFLAGS=
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cxx_flags_set=yes
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fi
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# Hard set flag to indicate that the 'unsigned long long' to floating-point
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# value conversion are broken by the compilers (as of 4/27/04 - QAK)
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hdf5_cv_ulong_to_fp_bottom_bit_accurate=${hdf5_cv_ulong_to_fp_bottom_bit_accurate='no'}
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# Set flags to avoid conversion between 'long double' and integers because of
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# SGI's compiler problems. For both IRIX64 6.5 and IRIX 6.5, the compilers
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# have the following problems,
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# long double -> signed char : incorrect rounding
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# long double -> unsigned char : incorrect rounding
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# long double -> short : incorrect rounding
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# long double -> unsigned short : incorrect rounding
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# long double -> long or long long: incorrect value
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# long double -> unsigned long or long long : incorrect value
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#
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# long or long long -> long double : correct value but incorrect bit pattern
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# unsigned long or long long -> long double : correct value but incorrect bit pattern
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# (1/5/05 - SLU)
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hdf5_cv_ldouble_to_integer_accurate=${hdf5_cv_ldouble_to_integer_accurate='no'}
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hdf5_cv_integer_to_ldouble_accurate=${hdf5_cv_integer_to_ldouble_accurate='no'}
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# For IRIX 6.5, any version that is older than MIPSpro 7.3.1.3m,
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# the MPI derived datatype is not working.
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# Versions 7.4.2m or newer work.
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# Up to version 7.4.4m, it cannot handle collective IO with non-contribution
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# of some processes.
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# Fix $hdf5_mpi_complex_derived_datatype_works if it is not set and is using cc.
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if [ -z "$hdf5_mpi_complex_derived_datatype_works" -a $CC_BASENAME = cc ]; then
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ccversion=`$CC -version 2>&1 | sed -e 's/.*Version //p'`
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ccversion1=`echo $ccversion | cut -f1 -d.`
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ccversion2=`echo $ccversion | cut -f2 -d.`
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# Assume all versions 7.4.* or newer are okay
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# and assume ccversion2 is never larger than 99.
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ccversionval=`expr $ccversion1 \* 100 + $ccversion2`
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hdf5_mpi_special_collective_io_works='no'
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if [ $ccversionval -lt 704 ]; then
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hdf5_mpi_complex_derived_datatype_works='no'
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# hdf5_mpi_special_collective_io_works='no'
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fi
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fi
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# Set flag to generate alternate code for H5V_log2_gen, to avoid
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# problems with the MIPSpro compiler 7.30 and IRIX64 6.5 (ie. other
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# combinations might work, but haven't been tested)
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# (9/15/06 - QAK)
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hdf5_cv_bad_log2_code_generated=${hdf5_cv_bad_log2_code_generated='yes'}
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