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| author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2021-11-30 09:01:36 +0900 |
|---|---|---|
| committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2021-11-30 09:10:58 +0900 |
| commit | 12fbdf4d4e52bafaeef6f923b8f357a39a37c02b (patch) | |
| tree | 1eca222c11629f2959bebad903ebc4311eeee107 /configure.ac | |
| parent | ac8647bec12d5d3c0bc4b6a79d09a6a85d6628f1 (diff) | |
| download | ruby-12fbdf4d4e52bafaeef6f923b8f357a39a37c02b.tar.gz | |
Fix conflicting declaration on Solaris
SunC
```
"cont.c", line 24: identifier redeclared: madvise
current : function(pointer to char, unsigned int, int) returning int
previous: function(pointer to void, unsigned int, int) returning int : "/usr/include/sys/mman.h", line 232
```
GCC
```
cont.c:24:12: error: conflicting types for 'madvise'
24 | extern int madvise(caddr_t, size_t, int);
| ^~~~~~~
In file included from cont.c:16:
/usr/include/sys/mman.h:232:12: note: previous declaration of 'madvise' was here
232 | extern int madvise(void *, size_t, int);
| ^~~~~~~
```
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 4b495371d4..7ec11478f5 100644 --- a/configure.ac +++ b/configure.ac @@ -1108,6 +1108,15 @@ main() ]) ]) AC_CHECK_TYPES([caddr_t],[],[],[@%:@include <sys/types.h>]) + RUBY_WERROR_FLAG([AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + @%:@if defined(HAVE_CADDR_T) && (defined(MADV_FREE) || defined(MADV_DONTNEED)) + @%:@include <sys/unistd.h> + @%:@include <sys/mman.h> + @%:@include <sys/types.h> + extern int madvise(caddr_t, size_t, int); + ]], [[]])], + [AC_DEFINE(NEED_MADVICE_PROTOTYPE_USING_CADDR_T, 1)], []) + ]) ], [haiku*], [ LIBS="$LIBS" # m lib is include in root |