diff options
-rwxr-xr-x | scripts/trylink | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/scripts/trylink b/scripts/trylink index 283edfdbb..5ef0132eb 100755 --- a/scripts/trylink +++ b/scripts/trylink | |||
@@ -47,15 +47,19 @@ try() { | |||
47 | } | 47 | } |
48 | 48 | ||
49 | check_cc() { | 49 | check_cc() { |
50 | if $CC $1 -shared -o /dev/null -xc /dev/null >/dev/null 2>&1; then | 50 | local tempname="/tmp/temp.$$.$RANDOM" |
51 | # Can use "-o /dev/null", but older gcc tend to *unlink it* on failure! :( | ||
52 | # "-xc": C language. "/dev/null" is an empty source file. | ||
53 | if $CC $1 -shared -xc /dev/null -o "$tempname".o >/dev/null 2>&1; then | ||
51 | echo "$1"; | 54 | echo "$1"; |
52 | else | 55 | else |
53 | echo "$2"; | 56 | echo "$2"; |
54 | fi | 57 | fi |
58 | rm "$tempname".o 2>/dev/null | ||
55 | } | 59 | } |
56 | 60 | ||
57 | check_libc_is_glibc() { | 61 | check_libc_is_glibc() { |
58 | local tempname="/tmp/temp.$$.$RANDOM.c" | 62 | local tempname="/tmp/temp.$$.$RANDOM" |
59 | echo "\ | 63 | echo "\ |
60 | #include <stdlib.h> | 64 | #include <stdlib.h> |
61 | /* Apparently uclibc defines __GLIBC__ (compat trick?). Oh well. */ | 65 | /* Apparently uclibc defines __GLIBC__ (compat trick?). Oh well. */ |
@@ -63,12 +67,12 @@ check_libc_is_glibc() { | |||
63 | syntax error here | 67 | syntax error here |
64 | #endif | 68 | #endif |
65 | " >"$tempname" | 69 | " >"$tempname" |
66 | if $CC "$tempname" -c -o /dev/null >/dev/null 2>&1; then | 70 | if $CC "$tempname".c -c -o "$tempname".o >/dev/null 2>&1; then |
67 | echo "$2"; | 71 | echo "$2"; |
68 | else | 72 | else |
69 | echo "$1"; | 73 | echo "$1"; |
70 | fi | 74 | fi |
71 | rm "$tempname" | 75 | rm "$tempname".c "$tempname".o 2>/dev/null |
72 | } | 76 | } |
73 | 77 | ||
74 | EXE="$1" | 78 | EXE="$1" |