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mkconfig.sh: Avoid using a subshell redirect.

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* mkconfig.sh: Avoid using a subshell redirect.
	($output.T): Change to $(output)T.
	(ENABLE_NLS): Remove unneeded undef.

From-SVN: r49734
This commit is contained in:
Douglas B Rupp 2002-02-13 10:37:41 -05:00 committed by Richard Kenner
parent ea5b9a1fd2
commit 2dbe67bbfa
2 changed files with 37 additions and 41 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
2002-02-13 Douglas B Rupp <rupp@gnat.com>
* mkconfig.sh: Avoid using a subshell redirect.
($output.T): Change to $(output)T.
(ENABLE_NLS): Remove unneeded undef.
* config/alpha/vms.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
* config/alpha/x-vms (libsubdir): Define.

74
gcc/mkconfig.sh
View File

@ -11,16 +11,12 @@ if [ -z "$1" ]; then
fi
output=$1
rm -f $output.T
# We used to exec > $output.T but apparently this has bugs.
# Use a redirected subshell instead.
(
rm -f ${output}T
# Define TARGET_CPU_DEFAULT if the system wants one.
# This substitutes for lots of *.h files.
if [ "$TARGET_CPU_DEFAULT" != "" ]; then
echo "#define TARGET_CPU_DEFAULT ($TARGET_CPU_DEFAULT)"
echo "#define TARGET_CPU_DEFAULT ($TARGET_CPU_DEFAULT)" >> ${output}T
fi
# The first entry in HEADERS may be auto-host.h or auto-build.h;
@ -28,7 +24,7 @@ fi
if [ -n "$HEADERS" ]; then
set $HEADERS; first=$1
case $first in auto-* )
echo "#include \"$first\""
echo "#include \"$first\"" >> ${output}T
shift
HEADERS=$*
;;
@ -41,33 +37,35 @@ fi
# rather than system.h allows the typedefs to be used anywhere in GCC.
case $output in
*config.h | *hconfig.h | *tconfig.h)
echo "#ifdef IN_GCC"
echo "/* Provide three core typedefs used by everything, if we are compiling"
echo " GCC. These used to be found in rtl.h and tree.h, but this is no"
echo " longer practical. Providing these here rather that system.h allows"
echo " the typedefs to be used everywhere within GCC. */"
echo "struct rtx_def;"
echo "typedef struct rtx_def *rtx;"
echo "struct rtvec_def;"
echo "typedef struct rtvec_def *rtvec;"
echo "union tree_node;"
echo "typedef union tree_node *tree;"
echo "#endif"
cat >> ${output}T <<EOF
#ifdef IN_GCC
/* Provide three core typedefs used by everything, if we are compiling
GCC. These used to be found in rtl.h and tree.h, but this is no
longer practical. Providing these here rather that system.h allows
the typedefs to be used everywhere within GCC. */
struct rtx_def;
typedef struct rtx_def *rtx;
struct rtvec_def;
typedef struct rtvec_def *rtvec;
union tree_node;
typedef union tree_node *tree;
#endif
EOF
;;
esac
if [ -n "$HEADERS" ]; then
echo '#ifdef IN_GCC'
echo '#ifdef IN_GCC' >> ${output}T
for file in $HEADERS; do
echo "# include \"$file\""
echo "# include \"$file\"" >> ${output}T
done
echo '#endif'
echo '#endif' >> ${output}T
fi
for def in $DEFINES; do
echo "#ifndef $def" | sed 's/=.*//'
echo "# define $def" | sed 's/=/ /'
echo "#endif"
echo "#ifndef $def" | sed 's/=.*//' >> ${output}T
echo "# define $def" | sed 's/=/ /' >> ${output}T
echo "#endif" >> ${output}T
done
# If this is tm_p.h, include tm-preds.h unconditionally.
@ -76,32 +74,26 @@ done
# but only if GENERATOR_FILE is not defined.
case $output in
*tm_p.h)
echo "#include \"tm-preds.h\""
echo "#include \"tm-preds.h\"" >> ${output}T
;;
*tconfig.h | *hconfig.h)
;;
*)
echo "#ifndef GENERATOR_FILE"
echo "# include \"insn-constants.h\""
echo "# include \"insn-flags.h\""
echo "#endif"
cat >> ${output}T <<EOF
#ifndef GENERATOR_FILE
# include "insn-constants.h"
# include "insn-flags.h"
#endif
EOF
;;
esac
# Prevent obstack.c from thinking it can do i18n of its error message
# when it's being linked against a build-side program.
echo '#ifdef GENERATOR_FILE'
echo '# undef ENABLE_NLS'
echo '#endif'
) > $output.T
# Avoid changing the actual file if possible.
if [ -f $output ] && cmp $output.T $output >/dev/null 2>&1; then
if [ -f $output ] && cmp ${output}T $output >/dev/null 2>&1; then
echo $output is unchanged >&2
rm -f $output.T
rm -f ${output}T
else
mv -f $output.T $output
mv -f ${output}T $output
fi
# Touch a stamp file for Make's benefit.