diff options
Diffstat (limited to 'config/gnu-flags')
| -rw-r--r-- | config/gnu-flags | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/config/gnu-flags b/config/gnu-flags new file mode 100644 index 0000000..83c0ed7 --- /dev/null +++ b/config/gnu-flags @@ -0,0 +1,149 @@ +# -*- shell-script -*- +# +# This file should be sourced into configure if the compiler is the +# GNU gcc compiler or a derivative. It is careful not to do anything +# if the compiler is not GNU; otherwise `cc_flags_set' is set to `yes' +# + +# Get the compiler version in a way that works for gcc, egcs, and +# pgcc unless a compiler version is already known +# +# cc_vendor: The compiler name: gcc, egcs, or pgcc +# cc_version: Version number: 2.91.60, 2.7.2.1 +# +if test X = "X$cc_flags_set"; then + cc_version="`$CC $CFLAGS -v 2>&1 |grep 'gcc version' |\ + sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`" + cc_vendor=`echo $cc_version |sed 's/\([a-z]*\).*/\1/'` + cc_version=`echo $cc_version |sed 's/[-a-z]//g'` + if test X = "X$cc_vendor" -a X != "X$cc_version"; then + cc_vendor=gcc + fi + if test "-" != "$cc_vendor-$cc_version"; then + echo "compiler '$CC' is GNU $cc_vendor-$cc_version" + fi +fi + +# Warn about old GNU compilers that don't work right. +case "$cc_vendor-$cc_version" in + gcc-2.7.*) + cat <<EOF + ** + ** This compiler may be unable to properly compile the long long + ** data type used extensively by hdf5, although specifying + ** --disable-hsizet for configure may work around those bugs. + ** There may be other code generation problems also, especially + ** when optimizations are enabled. Please upgrade to at least GNU + ** gcc version 2.8.1 before reporting bugs to the HDF5 team. + ** +EOF + sleep 5 + ;; + + pgcc-2.*) + v2=`echo $cc_version |cut -f2 -d.` + v3=`echo $cc_version |cut -f3 -d.` + v=`expr $v2 '*' 1000 + $v3` + if test $v -lt 91060; then + cat <<EOF + ** + ** This compiler may have problems allocating registers for long + ** long data types when optimizations are enabled. There may be + ** other code generation problems as well. Please upgrade to at + ** least pgcc-2.91.60 (egcs-1.1.1) before reporting bugs to the + ** HDF5 team. + ** +EOF + sleep 5 + fi + ;; +esac + +# Compiler flags +case "$cc_vendor-$cc_version" in + gcc-2.7*) + # General + CFLAGS="$CFLAGS -ansi" + + # Production + PROC_CFLAGS="-O3 $NOFP -finline-functions -Wno-shadow" + PROD_CPPFLAGS= + + # Debug + DEBUG_CFLAGS="-g -fverbose-asm -Wno-shadow" + DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + + # Profile + PROFILE_CFLAGS=-pg + PROFILE_CPPFLAGS= + + # Flags are set + cc_flags_set=yes + ;; + + gcc-2.8.*) + # General + CFLAGS="$CFLAGS -Wsign-compare" + + # Production + PROD_CFLAGS="$ARCH -O3 $NOFP -finline-functions -fschedule-insns2 -Wno-shadow" + PROD_CPPFLAGS= + + # Debug + DEBUG_CFLAGS="-g -fverbose-asm -Wno-shadow" + DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + + # Profile + PROFILE_CFLAGS=-pg + PROFILE_CPPFLAGS= + + # Flags are set + cc_flags_set=yes + ;; + + egcs-2.*|pgcc-2.*) + # General + CFLAGS="$CFLAGS -Wsign-compare" + + # Production + PROD_CFLAGS="$ARCH -O6 $NOFP -Wno-shadow" + PROD_CPPFLAGS= + + # Debug + DEBUG_CFLAGS="-g -fverbose-asm -Wno-shadow" + DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + + # Profile + PROFILE_CFLAGS=-pg + PROFILE_CPPFLAGS= + + # Flags are set + cc_flags_set=yes + ;; + + gcc-*|egcs-*|pgcc-*) + # This must be some other GNU compiler that we don't know about. + # Just use fairly generic flags. + + # Production + PROD_CFLAGS=-O + PROD_CPPFLAGS= + + # Debug + DEBUG_CFLAGS=-g + DEBUG_CPPFLAGS="-DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2" + + # Profile + PROFILE_CFLAGS=-pg + PROFILE_CPPFLAGS= + + # Flags are set + cc_flags_set=yes + ;; +esac + +# Clear cc info if no flags set +if test X = "X$cc_flags_set"; then + cc_vendor= + cc_version= +fi
\ No newline at end of file |