diff options
Diffstat (limited to 'config/linux')
| -rw-r--r-- | config/linux | 122 |
1 files changed, 63 insertions, 59 deletions
diff --git a/config/linux b/config/linux index 9e3bc5c..032bfb0 100644 --- a/config/linux +++ b/config/linux @@ -3,69 +3,73 @@ # 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. +# +# See BlankForm in this directory for details. +# The default compiler is `gcc'. +if test "X-" = "X-$CC"; then + CC=cc + CC_BASENAME=cc +fi -#---------------------------------------------------------------------------- -# Compiler flags. The CPPFLAGS values should not include package debug -# flags like `-DH5G_DEBUG' since these are added with the -# `--enable-debug' switch of configure. -CC=${CC:-gcc} -case `$CC -v 2>&1 |tail -1 |sed 's/gcc version //'` in - 2.7.*) - echo " +------------------------------------------------+" - echo " | You have an old version of gcc. Please upgrade |" - echo " | to 2.8.1 or better. Continuing anyway, but |" - echo " | code generation may be wrong on some platforms.|" - echo " +------------------------------------------------+" - sleep 5 - CCVENDOR=gcc - ;; - 2.8.*) - CFLAGS="$CFLAGS -Wsign-compare" - CCVENDOR=gcc - ;; - egcs-*) - CFLAGS="$CFLAGS -Wsign-compare" - CCVENDOR=egcs - ;; - pgcc-*) - CFLAGS="$CFLAGS -Wsign-compare" - CCVENDOR=pgcc - ;; -esac - -# What must *always* be present for things to compile correctly? -CFLAGS="$CFLAGS -ansi" +ARCH="-mcpu=pentiumpro -march=pentiumpro -malign-double" +NOFP="-fomit-frame-pointer" -# What compiler flags should be used for code development? -DEBUG_CFLAGS="-g -fverbose-asm" -DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" +# Compiler flags. We use `-v' to get the version number because it almost +# always works on Linux systems. +case `$CC -v 2>&1 |grep 'gcc version' |sed 's/.*gcc version //'` in + 2.7.*) + echo " +------------------------------------------------+" + echo " | You have an old version of gcc. Please upgrade |" + echo " | to 2.8.1 or better. Continuing anyway, but |" + echo " | code generation may be wrong on some platforms.|" + echo " +------------------------------------------------+" + sleep 5 + CFLAGS="$CFLAGS -ansi" + PROD_CFLAGS="$ARCH -O3 $NOFP -finline-functions -fschedule-insns2" + PROD_CPPFLAGS= + DEBUG_CFLAGS="-g -fverbose-asm" + DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + PROFILE_CFLAGS=-pg + PROFILE_CPPFLAGS= + ;; -# What compiler flags should be used for building a production -# library? -if [ "gcc" = "$CCVENDOR" ]; then - PROD_CFLAGS="-mcpu=pentiumpro -march=pentiumpro -O3 -finline-functions -malign-double -fomit-frame-pointer -fschedule-insns2" - PROD_CPPFLAGS= -elif [ "egcs" = "$CCVENDOR" ]; then - PROD_CFLAGS="-mcpu=pentiumpro -march=pentiumpro -O6 -malign-double" - PROD_CPPFLAGS= -elif [ "pgcc" = "$CCVENDOR" ]; then - PROD_CFLAGS="-mcpu=pentiumpro -march=pentiumpro -O6 -malign-double" - PROD_CPPFLAGS= -else - PROD_CFLAGS= - PROD_CPPFLAGS= -fi + 2.8.*) + CFLAGS="$CFLAGS -Wsign-compare" + PROD_CFLAGS="$ARCH -O3 $NOFP -finline-functions -fschedule-insns2" + PROD_CPPFLAGS= + DEBUG_CFLAGS="-g -fverbose-asm" + DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + PROFILE_CFLAGS=-pg + PROFILE_CPPFLAGS= + ;; -# What compiler flags enable code profiling? -PROFILE_CFLAGS=-pg -PROFILE_CPPFLAGS= + egcs-*) + CFLAGS="$CFLAGS -Wsign-compare" + PROD_CFLAGS="$ARCH -O6 $NOFP" + PROD_CPPFLAGS= + DEBUG_CFLAGS="-g -fverbose-asm" + DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + PROFILE_CFLAGS=-pg + PROFILE_CPPFLAGS= + ;; -#---------------------------------------------------------------------------- -# Values for overriding configuration tests when cross compiling. -# This includes compiling on some machines where the serial front end -# compiles for a parallel back end. + pgcc-*) + CFLAGS="$CFLAGS -Wsign-compare" + PROD_CFLAGS="$ARCH -O6 $NOFP" + PROD_CPPFLAGS= + DEBUG_CFLAGS="-g -fverbose-asm" + DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + PROFILE_CFLAGS=-pg + PROFILE_CPPFLAGS= + ;; -# Set this to `yes' or `no' depending on whether the target is big -# endian or little endian. -#ac_cv_c_bigendian=${ac_cv_c_bigendian='yes'} + *) + PROD_CFLAGS=-O + PROD_CPPFLAGS= + DEBUG_CFLAGS="-g" + DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + PROFILE_CFLAGS=-pg + PROFILE_CPPFLAGS= + ;; +esac |