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| author | Brent Cook <busterb@gmail.com> | 2015-01-06 17:45:14 -0600 |
|---|---|---|
| committer | Brent Cook <busterb@gmail.com> | 2015-01-06 17:47:16 -0600 |
| commit | ec81c28219b3d3234ddf0af12d0579efa1a3d2a6 (patch) | |
| tree | 1ca8108d0ae7b66597515a811d93cb97753d668c | |
| parent | f2d68c7d21f11f3fa08ab821ccd4356fc863ccd4 (diff) | |
| download | portable-ec81c28219b3d3234ddf0af12d0579efa1a3d2a6.tar.gz portable-ec81c28219b3d3234ddf0af12d0579efa1a3d2a6.tar.bz2 portable-ec81c28219b3d3234ddf0af12d0579efa1a3d2a6.zip | |
catch GCC versions that only warn on unused flags
Noticed while building with GCC 4.2 with HP-UX. Switching the ERROR to a
WARN for a first release while we continue to survey the field.
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index 2977703..54209da 100644 --- a/configure.ac +++ b/configure.ac | |||
| @@ -104,7 +104,7 @@ AC_DEFUN([CHECK_CFLAG], [ | |||
| 104 | AC_LANG_ASSERT(C) | 104 | AC_LANG_ASSERT(C) |
| 105 | AC_MSG_CHECKING([if $saved_CC supports "$1"]) | 105 | AC_MSG_CHECKING([if $saved_CC supports "$1"]) |
| 106 | old_cflags="$CFLAGS" | 106 | old_cflags="$CFLAGS" |
| 107 | CFLAGS=$1 | 107 | CFLAGS="$1 -Wall -Werror" |
| 108 | AC_TRY_LINK([ | 108 | AC_TRY_LINK([ |
| 109 | #include <stdio.h> | 109 | #include <stdio.h> |
| 110 | ], | 110 | ], |
| @@ -121,7 +121,7 @@ AC_DEFUN([CHECK_LDFLAG], [ | |||
| 121 | AC_LANG_ASSERT(C) | 121 | AC_LANG_ASSERT(C) |
| 122 | AC_MSG_CHECKING([if $saved_LD supports "$1"]) | 122 | AC_MSG_CHECKING([if $saved_LD supports "$1"]) |
| 123 | old_ldflags="$LDFLAGS" | 123 | old_ldflags="$LDFLAGS" |
| 124 | LDFLAGS=$1 | 124 | LDFLAGS="$1 -Wall -Werror" |
| 125 | AC_TRY_LINK([ | 125 | AC_TRY_LINK([ |
| 126 | #include <stdio.h> | 126 | #include <stdio.h> |
| 127 | ], | 127 | ], |
| @@ -151,7 +151,7 @@ AS_IF([test "x$enable_hardening" = "xyes"], [ | |||
| 151 | AS_IF([test "x$enable_hardening" = "xyes" -a "x$HOST_OS" != "xwin"], [ | 151 | AS_IF([test "x$enable_hardening" = "xyes" -a "x$HOST_OS" != "xwin"], [ |
| 152 | CHECK_CFLAG([[-fstack-protector-strong]], | 152 | CHECK_CFLAG([[-fstack-protector-strong]], |
| 153 | CHECK_CFLAG([[-fstack-protector-all]], | 153 | CHECK_CFLAG([[-fstack-protector-all]], |
| 154 | AC_MSG_ERROR([compiler does appear to support stack protection - use --disable-hardening to override]) | 154 | AC_MSG_WARN([compiler does not appear to support stack protection]) |
| 155 | ) | 155 | ) |
| 156 | ) | 156 | ) |
| 157 | ]) | 157 | ]) |