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| author | Zack Weinberg <zackw@stanford.edu> | 2001-03-23 01:16:22 +0000 |
|---|---|---|
| committer | Zack Weinberg <zack@gcc.gnu.org> | 2001-03-23 01:16:22 +0000 |
| commit | 1b0ae0f9be2921fae57caf7e9ad6160d7a5edb3a (patch) | |
| tree | 1b875b349a4b90446dbd724c2b47925949fc2546 /gcc/mkconfig.sh | |
| parent | b937498e3083dae97f40d24e3057a99328f3e695 (diff) | |
| download | gcc-1b0ae0f9be2921fae57caf7e9ad6160d7a5edb3a.tar.gz | |
mkconfig.sh: Use a subshell with redirected stdout...
* mkconfig.sh: Use a subshell with redirected stdout,
instead of closing stdout and confusing commands that run
afterward. Throw away output of cmp.
From-SVN: r40765
Diffstat (limited to 'gcc/mkconfig.sh')
| -rw-r--r-- | gcc/mkconfig.sh | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/mkconfig.sh b/gcc/mkconfig.sh index e89d382e002..5250708fcec 100644 --- a/gcc/mkconfig.sh +++ b/gcc/mkconfig.sh @@ -12,7 +12,10 @@ fi output=$1 rm -f $output.T -exec > $output.T + +# We used to exec > $output.T but apparently this has bugs. +# Use a redirected subshell instead. +( # Define TARGET_CPU_DEFAULT if the system wants one. # This substitutes for lots of *.h files. @@ -53,10 +56,10 @@ echo "#include \"insn-codes.h\"" echo "#include \"insn-flags.h\"" echo "#endif" -exec >&- +) > $output.T # Avoid changing the actual file if possible. -if [ -f $output ] && cmp $output.T $output; then +if [ -f $output ] && cmp $output.T $output >/dev/null 2>&1; then echo $output is unchanged >&2 rm -f $output.T else |