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| author | Evgeny Grin (Karlson2k) <k2k@narod.ru> | 2017-04-10 18:39:47 +0300 |
|---|---|---|
| committer | Evgeny Grin (Karlson2k) <k2k@narod.ru> | 2017-04-10 18:39:47 +0300 |
| commit | ab406a9e6a0568bcb607ff737397bdc5b0cf533b (patch) | |
| tree | 8becfe89878b6ea1e51c22fe65535b36363ec578 | |
| parent | 4a4e93fb5a5243c2208a87cd3485bd2979dac2a5 (diff) | |
| download | libmicrohttpd-ab406a9e6a0568bcb607ff737397bdc5b0cf533b.tar.gz libmicrohttpd-ab406a9e6a0568bcb607ff737397bdc5b0cf533b.zip | |
configure: better test for "-Werror=attributes"
| -rw-r--r-- | configure.ac | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index b00e7885..fabcde9f 100644 --- a/configure.ac +++ b/configure.ac | |||
| @@ -182,7 +182,21 @@ AS_VAR_IF([[mhd_cv_macro_true_false_valid]], [["yes"]], [[:]], | |||
| 182 | 182 | ||
| 183 | 183 | ||
| 184 | AX_CHECK_COMPILE_FLAG([[-Werror=attributes]], | 184 | AX_CHECK_COMPILE_FLAG([[-Werror=attributes]], |
| 185 | [[errattr_CFLAGS="-Werror=attributes"]], | 185 | [ |
| 186 | save_CFLAGS="$CFLAGS" | ||
| 187 | CFLAGS="$CFLAGS -Werror=attributes" | ||
| 188 | AC_MSG_CHECKING([[whether -Werror=attributes actually works]]) | ||
| 189 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM( | ||
| 190 | [[__attribute__((non_existing_attrb_dummy)) int SimpleFunc(void) {return 3;}]], [[int r = SimpleFunc(); if (r) return r;]])], | ||
| 191 | [ | ||
| 192 | AC_MSG_RESULT([[no]]) | ||
| 193 | errattr_CFLAGS="" | ||
| 194 | ], [ | ||
| 195 | AC_MSG_RESULT([[yes]]) | ||
| 196 | errattr_CFLAGS="-Werror=attributes" | ||
| 197 | ]) | ||
| 198 | CFLAGS="$save_CFLAGS" | ||
| 199 | ], | ||
| 186 | [[errattr_CFLAGS=""]], [], []) | 200 | [[errattr_CFLAGS=""]], [], []) |
| 187 | AC_MSG_CHECKING([[for function inline keywords suppoted by $CC]]) | 201 | AC_MSG_CHECKING([[for function inline keywords suppoted by $CC]]) |
| 188 | save_CFLAGS="$CFLAGS" | 202 | save_CFLAGS="$CFLAGS" |