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| author | ai4rei <ai4rei@54d463be-8e91-2dee-dedb-b68131a5f0ec> | 2011-08-16 17:09:27 +0000 |
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| committer | ai4rei <ai4rei@54d463be-8e91-2dee-dedb-b68131a5f0ec> | 2011-08-16 17:09:27 +0000 |
| commit | d277092d10c486f94d159f65a37c7cd492d00652 (patch) | |
| tree | dc10f75d9e0207d002e855623e32423ff0941ee0 /configure.in | |
| parent | 94b9c4cc347f4c7a3745d001414e565dbf839b62 (diff) | |
| download | hercules-d277092d10c486f94d159f65a37c7cd492d00652.tar.gz hercules-d277092d10c486f94d159f65a37c7cd492d00652.tar.bz2 hercules-d277092d10c486f94d159f65a37c7cd492d00652.tar.xz hercules-d277092d10c486f94d159f65a37c7cd492d00652.zip | |
* Added -fno-strict-aliasing detection to configure.in (-fstrict-aliasing is added through -O2), since the code is not aliasing safe and causes warnings with gcc.
- This also fixes a missing line in the pre-built configure script (since r14870).
git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@14935 54d463be-8e91-2dee-dedb-b68131a5f0ec
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 197a4a4ed..a9e4c289a 100644 --- a/configure.in +++ b/configure.in @@ -425,6 +425,22 @@ AC_SUBST([WITH_PLUGINS]) # +# -O2 implies -fstrict-aliasing, but the code is not safe for that +# +AC_MSG_CHECKING([whether $CC supports -fno-strict-aliasing]) +OLD_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -fno-strict-aliasing" +AC_COMPILE_IFELSE( + [int foo;], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_RESULT([no]) + CFLAGS="$OLD_CFLAGS" + ] +) + + +# # DB_MANUAL_CAST_TO_UNION # AC_MSG_CHECKING([whether $CC is able to typecast to union]) |