| |
| 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_N_DEFINE(_XOPEN_SOURCE_EXTENDED) |
| |
| AC_SYS_LARGEFILE |
| |
| dnl Add #include for broken IRIX header files |
| case "$host_os" in |
| *irix6*) AC_ADD_INCLUDE(<standards.h>) |
| ;; |
| *hpux*) |
| # mmap on HPUX is completely broken... |
| AC_DEFINE(MMAP_BLACKLIST, 1, [Whether MMAP is broken]) |
| if test "`uname -r`" = "B.11.00" -o "`uname -r`" = "B.11.11"; then |
| AC_MSG_WARN([Enabling HPUX 11.00/11.11 header bug workaround]) |
| CFLAGS="$CFLAGS -Dpread=pread64 -Dpwrite=pwrite64" |
| 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="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000" |
| fi |
| ;; |
| *osf*) |
| # this brings in socklen_t |
| AC_N_DEFINE(_XOPEN_SOURCE,600) |
| AC_N_DEFINE(_OSF_SOURCE) |
| ;; |
| # |
| # VOS may need to have POSIX support and System V compatibility enabled. |
| # |
| *vos*) |
| case "$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_SIZEOF(int) |
| AC_CHECK_SIZEOF(char) |
| AC_CHECK_SIZEOF(short) |
| AC_CHECK_SIZEOF(long) |
| AC_CHECK_SIZEOF(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) |
| |
| if test $ac_cv_sizeof_int -eq 4 ; then |
| AC_CHECK_TYPE(int32_t, int) |
| AC_CHECK_TYPE(uint32_t, unsigned int) |
| elif test $ac_cv_size_long -eq 4 ; then |
| AC_CHECK_TYPE(int32_t, long) |
| AC_CHECK_TYPE(uint32_t, unsigned long) |
| else |
| AC_MSG_ERROR([LIBREPLACE no 32-bit type found]) |
| fi |
| |
| AC_CHECK_TYPE(int64_t, long long) |
| AC_CHECK_TYPE(uint64_t, unsigned long long) |
| |
| AC_CHECK_TYPE(size_t, unsigned int) |
| AC_CHECK_TYPE(ssize_t, int) |
| |
| AC_CHECK_SIZEOF(off_t) |
| AC_CHECK_SIZEOF(size_t) |
| AC_CHECK_SIZEOF(ssize_t) |
| |
| AC_CHECK_TYPES([intptr_t, uintptr_t, ptrdiff_t]) |
| |
| if test x"$ac_cv_type_long_long" != x"yes";then |
| AC_MSG_ERROR([LIBREPLACE needs type 'long long']) |
| fi |
| if test $ac_cv_sizeof_long_long -lt 8;then |
| AC_MSG_ERROR([LIBREPLACE needs sizeof(long long) >= 8]) |
| fi |
| |
| ############################################ |
| # check if the compiler can do immediate structures |
| AC_SUBST(libreplace_cv_immediate_structures) |
| AC_CACHE_CHECK([for immediate structures],libreplace_cv_immediate_structures,[ |
| AC_TRY_COMPILE([ |
| #include <stdio.h> |
| ],[ |
| typedef struct {unsigned x;} FOOBAR; |
| #define X_FOOBAR(x) ((FOOBAR) { x }) |
| #define FOO_ONE X_FOOBAR(1) |
| FOOBAR f = FOO_ONE; |
| static const struct { |
| FOOBAR y; |
| } f2[] = { |
| {FOO_ONE} |
| }; |
| static const FOOBAR f3[] = {FOO_ONE}; |
| ], |
| libreplace_cv_immediate_structures=yes, |
| libreplace_cv_immediate_structures=no, |
| libreplace_cv_immediate_structures=cross) |
| ]) |
| if test x"$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 |