AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_START, [ echo "LIBREPLACE_CC_CHECKS: START" ]) AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_END, [ echo "LIBREPLACE_CC_CHECKS: END" ]) dnl dnl dnl AC_LIBREPLACE_CC_CHECKS dnl dnl Note: we need to use m4_define instead of AC_DEFUN because dnl of the ordering of tests dnl dnl m4_define(AC_LIBREPLACE_CC_CHECKS, [ AC__LIBREPLACE_ONLY_CC_CHECKS_START dnl stop the C89 attempt by autoconf - if autoconf detects -Ae it will enable it dnl which conflicts with C99 on HPUX ac_cv_prog_cc_Ae=no savedCFLAGS=$CFLAGS AC_PROG_CC CFLAGS=$savedCFLAGS dnl don't try for C99 if we are using gcc, as otherwise we dnl lose immediate structure constants if test x"$GCC" != x"yes" ; then AC_PROG_CC_C99 fi if test x"$GCC" = x"yes" ; then AC_MSG_CHECKING([for version of gcc]) GCC_VERSION=`$CC -dumpversion` AC_MSG_RESULT(${GCC_VERSION}) fi AC_USE_SYSTEM_EXTENSIONS AC_C_BIGENDIAN AC_C_INLINE LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_WARN([c99 structure initializer are not supported])]) AC_PROG_INSTALL AC_ISC_POSIX AC_EXTENSION_FLAG(_XOPEN_SOURCE_EXTENDED) AC_EXTENSION_FLAG(_OSF_SOURCE) AC_SYS_LARGEFILE dnl Add #include for broken IRIX header files case "$host_os" in *irix6*) AC_ADD_INCLUDE(<standards.h>) ;; *hpux*) # mmap on HPUX is completely broken... AC_DEFINE(MMAP_BLACKLIST, 1, [Whether MMAP is broken]) if test "`uname -r`" = "B.11.11"; then AC_MSG_WARN([Enabling HPUX 11.11 header bug workaround]) CFLAGS="$CFLAGS -D_LARGEFILE64_SUPPORT -D__LP64__ -DO_LARGEFILE=04000" fi if test "`uname -r`" = "B.11.23"; then AC_MSG_WARN([Enabling HPUX 11.23 machine/sys/getppdp.h bug workaround]) CFLAGS="$CFLAGS -D_MACHINE_SYS_GETPPDP_INCLUDED" fi ;; *aix*) AC_DEFINE(BROKEN_STRNDUP, 1, [Whether strndup is broken]) AC_DEFINE(BROKEN_STRNLEN, 1, [Whether strnlen is broken]) if test "${GCC}" != "yes"; then ## for funky AIX compiler using strncpy() CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000" fi ;; # # VOS may need to have POSIX support and System V compatibility enabled. # *vos*) case "$CFLAGS" in *-D_POSIX_C_SOURCE*);; *) CFLAGS="$CFLAGS -D_POSIX_C_SOURCE=200112L" AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support]) ;; esac case "$CFLAGS" in *-D_SYSV*|*-D_SVID_SOURCE*);; *) CFLAGS="$CFLAGS -D_SYSV" AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility]) ;; esac ;; esac AC_CHECK_HEADERS([standards.h]) # Solaris needs HAVE_LONG_LONG defined AC_CHECK_TYPES(long long) AC_CHECK_TYPE(uint_t, unsigned int) AC_CHECK_TYPE(int8_t, char) AC_CHECK_TYPE(uint8_t, unsigned char) AC_CHECK_TYPE(int16_t, short) AC_CHECK_TYPE(uint16_t, unsigned short) AC_CHECK_TYPE(int32_t, long) AC_CHECK_TYPE(uint32_t, unsigned long) AC_CHECK_TYPE(int64_t, long long) AC_CHECK_TYPE(uint64_t, unsigned long long) AC_CHECK_TYPE(size_t, unsigned int) AC_CHECK_TYPE(ssize_t, int) AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(char) AC_CHECK_SIZEOF(short) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(long long) AC_CHECK_SIZEOF(off_t) AC_CHECK_SIZEOF(size_t) AC_CHECK_SIZEOF(ssize_t) AC_CHECK_TYPE(intptr_t, unsigned long long) AC_CHECK_TYPE(ptrdiff_t, unsigned long long) if test x"$ac_cv_type_long_long" != x"yes";then AC_MSG_ERROR([LIBREPLACE needs type 'long long']) fi if test $ac_cv_sizeof_long_long -lt 8;then AC_MSG_ERROR([LIBREPLACE needs sizeof(long long) >= 8]) fi ############################################ # check if the compiler can do immediate structures AC_SUBST(libreplace_cv_immediate_structures) AC_CACHE_CHECK([for immediate structures],libreplace_cv_immediate_structures,[ AC_TRY_COMPILE([ #include <stdio.h> ],[ typedef struct {unsigned x;} FOOBAR; #define X_FOOBAR(x) ((FOOBAR) { x }) #define FOO_ONE X_FOOBAR(1) FOOBAR f = FOO_ONE; static const struct { FOOBAR y; } f2[] = { {FOO_ONE} }; ], libreplace_cv_immediate_structures=yes, libreplace_cv_immediate_structures=no, libreplace_cv_immediate_structures=cross) ]) if test x"$libreplace_cv_immediate_structures" = x"yes"; then AC_DEFINE(HAVE_IMMEDIATE_STRUCTURES,1,[Whether the compiler supports immediate structures]) fi AC__LIBREPLACE_ONLY_CC_CHECKS_END ]) dnl end AC_LIBREPLACE_CC_CHECKS