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| author | David Tardon <dtardon@redhat.com> | 2016-03-27 19:19:35 +0200 |
|---|---|---|
| committer | David Tardon <dtardon@redhat.com> | 2016-03-27 19:19:38 +0200 |
| commit | faf590599ddcc73b433f46b22c8ae36ff95a1782 (patch) | |
| tree | b1cbda8c4e9f8ed5a18080fe65752879d1bc83ba | |
| parent | 34d8b1ce7188e22ce73d589ef360aa72913a9b09 (diff) | |
check for __attribute__((__format__())) in configure
| -rw-r--r-- | configure.ac | 9 | ||||
| -rw-r--r-- | src/lib/libsw602_utils.h | 6 |
2 files changed, 14 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 65d5fdb..dfa4153 100644 --- a/configure.ac +++ b/configure.ac @@ -221,6 +221,15 @@ AS_IF([test "x$enable_debug" = "xyes"], [ DEBUG_CXXFLAGS="-DDEBUG -g" CXXFLAGS="$CXXFLAGS -O0" CFLAGS="$CFLAGS -O0" + AC_MSG_CHECKING([if the compiler supports __attribute__((__format__()))]) + AC_COMPILE_IFELSE([AC_LANG_SOURCE([ + void print(const char *, ...) __attribute__((__format__(__printf__, 1, 2))); + ])], [ + AC_MSG_RESULT([yes]) + AC_DEFINE([HAVE_ATTRIBUTE_FORMAT], [1], [Define to 1 if your compiler supports __attribute__((__format__()))]) + ], [ + AC_MSG_RESULT([no]) + ]) ], [ DEBUG_CXXFLAGS="-DNDEBUG" ]) diff --git a/src/lib/libsw602_utils.h b/src/lib/libsw602_utils.h index e49c4c6..380f08b 100644 --- a/src/lib/libsw602_utils.h +++ b/src/lib/libsw602_utils.h @@ -10,6 +10,10 @@ #ifndef INCLUDED_LIBSW602_UTILS_H #define INCLUDED_LIBSW602_UTILS_H +#if HAVE_CONFIG_H +#include "config.h" +#endif + #include <boost/cstdint.hpp> #include <librevenge-stream/librevenge-stream.h> @@ -21,7 +25,7 @@ namespace libsw602 // do nothing with debug messages in a release compile #ifdef DEBUG -#if defined(__clang__) || defined(__GNUC__) +#if defined(HAVE_ATTRIBUTE_FORMAT) # define SW602_ATTRIBUTE_PRINTF(fmt, arg) __attribute__((__format__(__printf__, fmt, arg))) #else # define SW602_ATTRIBUTE_PRINTF(fmt, arg) |