2 AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_START,
4 echo "LIBREPLACE_CC_CHECKS: START"
7 AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_END,
9 echo "LIBREPLACE_CC_CHECKS: END"
14 dnl AC_LIBREPLACE_CC_CHECKS
16 dnl Note: we need to use m4_define instead of AC_DEFUN because
17 dnl of the ordering of tests
20 m4_define(AC_LIBREPLACE_CC_CHECKS,
22 AC__LIBREPLACE_ONLY_CC_CHECKS_START
24 dnl stop the C89 attempt by autoconf - if autoconf detects -Ae it will enable it
25 dnl which conflicts with C99 on HPUX
32 dnl don't try for C99 if we are using gcc, as otherwise we
33 dnl lose immediate structure constants
34 if test x"$GCC" != x"yes" ; then
38 if test x"$GCC" = x"yes" ; then
39 AC_MSG_CHECKING([for version of gcc])
40 GCC_VERSION=`$CC -dumpversion`
41 AC_MSG_RESULT(${GCC_VERSION})
43 AC_USE_SYSTEM_EXTENSIONS
46 LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_WARN([c99 structure initializer are not supported])])
51 AC_N_DEFINE(_XOPEN_SOURCE_EXTENDED)
55 dnl Add #include for broken IRIX header files
57 *irix6*) AC_ADD_INCLUDE(<standards.h>)
60 # mmap on HPUX is completely broken...
61 AC_DEFINE(MMAP_BLACKLIST, 1, [Whether MMAP is broken])
62 if test "`uname -r`" = "B.11.00" -o "`uname -r`" = "B.11.11"; then
63 AC_MSG_WARN([Enabling HPUX 11.00/11.11 header bug workaround])
64 CFLAGS="$CFLAGS -Dpread=pread64 -Dpwrite=pwrite64"
66 if test "`uname -r`" = "B.11.23"; then
67 AC_MSG_WARN([Enabling HPUX 11.23 machine/sys/getppdp.h bug workaround])
68 CFLAGS="$CFLAGS -D_MACHINE_SYS_GETPPDP_INCLUDED"
72 AC_DEFINE(BROKEN_STRNDUP, 1, [Whether strndup is broken])
73 AC_DEFINE(BROKEN_STRNLEN, 1, [Whether strnlen is broken])
74 if test "${GCC}" != "yes"; then
75 ## for funky AIX compiler using strncpy()
76 CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000"
80 # this brings in socklen_t
81 AC_N_DEFINE(_XOPEN_SOURCE,600)
82 AC_N_DEFINE(_OSF_SOURCE)
85 # VOS may need to have POSIX support and System V compatibility enabled.
89 *-D_POSIX_C_SOURCE*);;
91 CFLAGS="$CFLAGS -D_POSIX_C_SOURCE=200112L"
92 AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
96 *-D_SYSV*|*-D_SVID_SOURCE*);;
98 CFLAGS="$CFLAGS -D_SYSV"
99 AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
107 AC_CHECK_HEADERS([standards.h])
109 # Solaris needs HAVE_LONG_LONG defined
110 AC_CHECK_TYPES(long long)
112 AC_CHECK_TYPE(uint_t, unsigned int)
113 AC_CHECK_TYPE(int8_t, char)
114 AC_CHECK_TYPE(uint8_t, unsigned char)
115 AC_CHECK_TYPE(int16_t, short)
116 AC_CHECK_TYPE(uint16_t, unsigned short)
117 AC_CHECK_TYPE(int32_t, long)
118 AC_CHECK_TYPE(uint32_t, unsigned long)
119 AC_CHECK_TYPE(int64_t, long long)
120 AC_CHECK_TYPE(uint64_t, unsigned long long)
122 AC_CHECK_TYPE(size_t, unsigned int)
123 AC_CHECK_TYPE(ssize_t, int)
126 AC_CHECK_SIZEOF(char)
127 AC_CHECK_SIZEOF(short)
128 AC_CHECK_SIZEOF(long)
129 AC_CHECK_SIZEOF(long long)
131 AC_CHECK_SIZEOF(off_t)
132 AC_CHECK_SIZEOF(size_t)
133 AC_CHECK_SIZEOF(ssize_t)
135 AC_CHECK_TYPE(intptr_t, unsigned long long)
136 AC_CHECK_TYPE(ptrdiff_t, unsigned long long)
138 if test x"$ac_cv_type_long_long" != x"yes";then
139 AC_MSG_ERROR([LIBREPLACE needs type 'long long'])
141 if test $ac_cv_sizeof_long_long -lt 8;then
142 AC_MSG_ERROR([LIBREPLACE needs sizeof(long long) >= 8])
145 ############################################
146 # check if the compiler can do immediate structures
147 AC_SUBST(libreplace_cv_immediate_structures)
148 AC_CACHE_CHECK([for immediate structures],libreplace_cv_immediate_structures,[
152 typedef struct {unsigned x;} FOOBAR;
153 #define X_FOOBAR(x) ((FOOBAR) { x })
154 #define FOO_ONE X_FOOBAR(1)
156 static const struct {
162 libreplace_cv_immediate_structures=yes,
163 libreplace_cv_immediate_structures=no,
164 libreplace_cv_immediate_structures=cross)
166 if test x"$libreplace_cv_immediate_structures" = x"yes"; then
167 AC_DEFINE(HAVE_IMMEDIATE_STRUCTURES,1,[Whether the compiler supports immediate structures])
170 AC__LIBREPLACE_ONLY_CC_CHECKS_END
171 ]) dnl end AC_LIBREPLACE_CC_CHECKS