diff options
Diffstat (limited to 'autoconf')
| -rw-r--r-- | autoconf/configure.ac | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/autoconf/configure.ac b/autoconf/configure.ac index 3df9b9b4a7..c57d62dda4 100644 --- a/autoconf/configure.ac +++ b/autoconf/configure.ac @@ -407,10 +407,10 @@ dnl libelf is for sparc only; we can ignore it if we don't have it AC_CHECK_LIB(elf, elf_begin) dnl dlopen() is required for plugin support. -AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1]),AC_MSG_WARN([dlopen() not found - disabling plugin support])) +AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1],[Define if dlopen() is available on this platform.]),AC_MSG_WARN([dlopen() not found - disabling plugin support])) dnl mallinfo is optional; the code can compile (minus features) without it -AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1])) +AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1],[Define if mallinfo() is available on this platform.])) dnl dnl The math libraries are used by the test code, but not by the actual LLVM @@ -449,7 +449,7 @@ AC_C_CONST AC_C_INLINE dnl Check for machine endian-ness -AC_C_BIGENDIAN(AC_DEFINE([ENDIAN_BIG]),AC_DEFINE(ENDIAN_LITTLE)) +AC_C_BIGENDIAN(AC_DEFINE([ENDIAN_BIG],[],[Define if the machine is Big-Endian]),AC_DEFINE([ENDIAN_LITTLE],[],[Define if the machine is Little-Endian])) dnl Check for types AC_TYPE_PID_T @@ -481,7 +481,11 @@ then fi AC_HEADER_MMAP_ANONYMOUS AC_TYPE_SIGNAL -AC_CHECK_FUNCS(getcwd gettimeofday strcspn strdup strerror strspn strstr strtod strtol strtoq strtoll) +AC_CHECK_FUNCS(getcwd gettimeofday strcspn strdup strerror strspn strstr strtod strtol strtoq strtoll strsignal) +AC_CHECK_DECLS([sys_siglist],[],[],[ +#if HAVE_SIGNAL_H +#include <signal.h> +#endif]) dnl dnl Need to check mmap for MAP_PRIVATE, MAP_ANONYMOUS, MAP_ANON, MAP_FIXED |