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-rw-r--r--config/linux-gnulibc166
1 files changed, 6 insertions, 60 deletions
diff --git a/config/linux-gnulibc1 b/config/linux-gnulibc1
index f314915..83389b0 100644
--- a/config/linux-gnulibc1
+++ b/config/linux-gnulibc1
@@ -12,65 +12,11 @@ if test "X-" = "X-$CC"; then
CC_BASENAME=gcc
fi
-ARCH="-mcpu=pentiumpro -march=pentiumpro -malign-double"
-NOFP="-fomit-frame-pointer"
-#HDF4_FLAGS="-D__i386"
+# Architecture-specific flags
+ARCH=${ARCH:="-mcpu=pentiumpro -march=pentiumpro -malign-double"}
-# 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="-O3 $NOFP -finline-functions -Wno-shadow"
- PROD_CPPFLAGS="$HDF4_FLAGS"
- DEBUG_CFLAGS="-g -fverbose-asm -Wno-shadow"
- DEBUG_CPPFLAGS="$HDF4_FLAGS -DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2"
- PROFILE_CFLAGS=-pg
- PROFILE_CPPFLAGS=
- ;;
+# Omit frame pointer for optimized code?
+NOFP=${NOFP:=-fomit-frame-pointer}
- 2.8.*)
- CFLAGS="$CFLAGS -Wsign-compare"
- PROD_CFLAGS="$ARCH -O3 $NOFP -finline-functions -fschedule-insns2 -Wno-shadow"
- PROD_CPPFLAGS="$HDF4_FLAGS"
- DEBUG_CFLAGS="-g -fverbose-asm -Wno-shadow"
- DEBUG_CPPFLAGS="$HDF4_FLAGS -DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2"
- PROFILE_CFLAGS=-pg
- PROFILE_CPPFLAGS=
- ;;
-
- egcs-*)
- CFLAGS="$CFLAGS -Wsign-compare"
- PROD_CFLAGS="$ARCH -O6 $NOFP -Wno-shadow"
- PROD_CPPFLAGS="$HDF4_FLAGS"
- DEBUG_CFLAGS="-g -fverbose-asm -Wno-shadow"
- DEBUG_CPPFLAGS="$HDF4_FLAGS -DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2"
- PROFILE_CFLAGS=-pg
- PROFILE_CPPFLAGS=
- ;;
-
- pgcc-*)
- CFLAGS="$CFLAGS -Wsign-compare"
- PROD_CFLAGS="$ARCH -O6 $NOFP -Wno-shadow"
- PROD_CPPFLAGS="$HDF4_FLAGS"
- DEBUG_CFLAGS="-g -fverbose-asm -Wno-shadow"
- DEBUG_CPPFLAGS="$HDF4_FLAGS -DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2"
- PROFILE_CFLAGS=-pg
- PROFILE_CPPFLAGS=
- ;;
-
- *)
- PROD_CFLAGS=-O
- PROD_CPPFLAGS="$HDF4_FLAGS"
- DEBUG_CFLAGS="-g"
- DEBUG_CPPFLAGS="$HDF4_FLAGS -DH5F_OPT_SEEK=0 -DH5F_LOW_DFLT=H5F_LOW_SEC2"
- PROFILE_CFLAGS=-pg
- PROFILE_CPPFLAGS=
- ;;
-esac
+# Figure out compiler flags
+. ./config/gnu-flags