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| author | Peter O'Gorman <peter@pogma.com> | 2005-02-16 04:48:47 +0000 |
|---|---|---|
| committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2005-02-15 20:48:47 -0800 |
| commit | 489ce9e7ab25a049ae546f36aada3f5e5a3646d8 (patch) | |
| tree | 4b2634e86686c58e08459634610971676f159fc0 /gcc/mklibgcc.in | |
| parent | 7e9534bc544cd62cb587a17c50eed08f8ca68185 (diff) | |
| download | gcc-489ce9e7ab25a049ae546f36aada3f5e5a3646d8.zip gcc-489ce9e7ab25a049ae546f36aada3f5e5a3646d8.tar.gz gcc-489ce9e7ab25a049ae546f36aada3f5e5a3646d8.tar.bz2 | |
re PR bootstrap/18810 (Darwin's as unlinks /dev/null)
2005-02-15 Peter O'Gorman <peter@pogma.com>
PR bootstrap/18810
* mklibgcc.in (vis_hide): Use a temporary object file, not
-o /dev/null.
From-SVN: r95096
Diffstat (limited to 'gcc/mklibgcc.in')
| -rw-r--r-- | gcc/mklibgcc.in | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/mklibgcc.in b/gcc/mklibgcc.in index c88fca9..3a78935 100644 --- a/gcc/mklibgcc.in +++ b/gcc/mklibgcc.in @@ -100,11 +100,15 @@ if [ "$SHLIB_LINK" ]; then # the command line, and a #define to prevent libgcc2.h etc from # overriding that with #pragmas. The dance with @ is to prevent # echo from seeing anything it might take for an option. + # echo turns the \$\$\$\$ into $$$$ and when make sees it it + # becomes $$ and the shell substitutes the pid. Makes for a + # slightly safer temp file. echo "vis_hide := \$(strip \$(subst @,-,\\" echo " \$(shell if echo 'void foo(void); void foo(void) {}' | \\" echo " $gcc_compile -fvisibility=hidden -Werror \\" - echo " -c -xc - -o /dev/null 2> /dev/null; \\" + echo " -c -xc - -o vis_temp_file\$\$\$\$.o 2> /dev/null; \\" echo " then echo @fvisibility=hidden @DHIDE_EXPORTS; \\" + echo " rm vis_temp_file\$\$\$\$.o 2> /dev/null; \\" echo " fi)))" echo |