diff options
Diffstat (limited to 'config/linux')
| -rw-r--r-- | config/linux | 95 |
1 files changed, 35 insertions, 60 deletions
diff --git a/config/linux b/config/linux index 78a9913..d17b5de 100644 --- a/config/linux +++ b/config/linux @@ -1,63 +1,38 @@ -#!/bin/sh -# Site configuration -- do not distribute this file. +# -*- 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. -# Based on the setting of environment variable `HDF5_MODE' we set the -# compiler flags unless they're already set. Its value can be one or -# more of the following words (be sure to use single quotes when -# setting its value or the dollar signs will be expanded as variables -# too soon): -# -# $warn -- Generates compiler warnings. You should always -# include this since it has no effect on the speed of -# the code produced. -# -# $debug -- Compiles in code to check for invariant conditions -# and turns on the `-g' flag for interactive -# debugging. It also turns off seek optimizations in -# the low-level file driver. This version of the -# library can be significantly slower than a production -# version. -# -# $production -- Compiles an optimized version of the library -# and disables code that checks for invariant -# conditions. -# -# $profile -- Compiles code with the `-pg' flag which -# produces a `gmon.out' file when the library -# runs. The gprof(1) command can read that file -# and produce detailed run-time statistics. -# -# If HDF5_MODE is undefined then we use the value -# -# $debug $warn -DH5F_LOW_DFLT=H5F_LOW_SEC2 -# +#---------------------------------------------------------------------------- +# Compiler flags. The CPPFLAGS values should not include package debug +# flags like `-DH5G_DEBUG' since these are added with the +# `--enable-debug' switch of configure. + +# What must *always* be present for things to compile correctly? +CFLAGS="$CFLAGS -ansi" +#CPPFLAGS="$CPPFLAGS -I." + +# What compiler flags should be used for code development? +DEBUG_CFLAGS="-g -fverbose-asm" +DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + +# What compiler flags should be used for building a production +# library? +PROD_CFLAGS="-O3 -finline-functions -malign-double -fomit-frame-pointer" +PROD_CPPFLAGS= + +# What compiler flags enable code profiling? +PROFILE_CFLAGS=-pg +PROFILE_CPPFLAGS= + + +#---------------------------------------------------------------------------- +# Values for overriding configuration tests when cross compiling. +# This includes compiling on some machines where the serial front end +# compiles for a parallel back end. -if [ arborea = `hostname` -a -z "$enable_parallel" ]; then - enable_parallel=mpio -fi - -# The following flags only apply to the gcc compiler. -CC=${CC:-gcc} - -# First set up the CFLAGS arguments. -if test "X" = "X$CFLAGS"; then - warn="-Wall -Wshadow -Wpointer-arith -Wcast-qual -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs" - profile="-pg" - debug="-g -fverbose-asm" - production="-O3 -finline-functions -funroll-loops -malign-double -fomit-frame-pointer" - parallel="" - default_mode='-ansi $debug $warn $parallel' - CFLAGS="`eval echo ${HDF5_MODE:-$default_mode}`" -fi - -# Then set up the CPPFLAGS arguments. -if test "X" = "X$CPPFLAGS"; then - warn= - profile= - debug="-DH5AC_DEBUG -DH5B_DEBUG -DH5D_DEBUG -DH5F_DEBUG -DH5G_DEBUG -UH5O_DEBUG -DH5T_DEBUG -DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" - production="-DNDEBUG" - parallel="" - default_mode='$debug $warn $parallel' - CPPFLAGS="`eval echo ${HDF5_MODE:-$default_mode}`" -fi +# Set this to `yes' or `no' depending on whether the target is big +# endian or little endian. +#ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'} |