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)
113
AC_CHECK_SIZEOF(char)
114
AC_CHECK_SIZEOF(short)
115
AC_CHECK_SIZEOF(long)
116
AC_CHECK_SIZEOF(long long)
118
AC_CHECK_TYPE(uint_t, unsigned int)
119
AC_CHECK_TYPE(int8_t, char)
120
AC_CHECK_TYPE(uint8_t, unsigned char)
121
AC_CHECK_TYPE(int16_t, short)
122
AC_CHECK_TYPE(uint16_t, unsigned short)
124
if test $ac_cv_sizeof_int -eq 4 ; then
125
AC_CHECK_TYPE(int32_t, int)
126
AC_CHECK_TYPE(uint32_t, unsigned int)
127
elif test $ac_cv_size_long -eq 4 ; then
128
AC_CHECK_TYPE(int32_t, long)
129
AC_CHECK_TYPE(uint32_t, unsigned long)
131
AC_MSG_ERROR([LIBREPLACE no 32-bit type found])
134
AC_CHECK_TYPE(int64_t, long long)
135
AC_CHECK_TYPE(uint64_t, unsigned long long)
137
AC_CHECK_TYPE(size_t, unsigned int)
138
AC_CHECK_TYPE(ssize_t, int)
140
AC_CHECK_SIZEOF(off_t)
141
AC_CHECK_SIZEOF(size_t)
142
AC_CHECK_SIZEOF(ssize_t)
144
AC_CHECK_TYPE(intptr_t, long long)
145
AC_CHECK_TYPE(uintptr_t, unsigned long long)
146
AC_CHECK_TYPE(ptrdiff_t, unsigned long long)
148
if test x"$ac_cv_type_long_long" != x"yes";then
149
AC_MSG_ERROR([LIBREPLACE needs type 'long long'])
151
if test $ac_cv_sizeof_long_long -lt 8;then
152
AC_MSG_ERROR([LIBREPLACE needs sizeof(long long) >= 8])
155
############################################
156
# check if the compiler can do immediate structures
157
AC_SUBST(libreplace_cv_immediate_structures)
158
AC_CACHE_CHECK([for immediate structures],libreplace_cv_immediate_structures,[
162
typedef struct {unsigned x;} FOOBAR;
163
#define X_FOOBAR(x) ((FOOBAR) { x })
164
#define FOO_ONE X_FOOBAR(1)
166
static const struct {
171
static const FOOBAR f3[] = {FOO_ONE};
173
libreplace_cv_immediate_structures=yes,
174
libreplace_cv_immediate_structures=no,
175
libreplace_cv_immediate_structures=cross)
177
if test x"$libreplace_cv_immediate_structures" = x"yes"; then
178
AC_DEFINE(HAVE_IMMEDIATE_STRUCTURES,1,[Whether the compiler supports immediate structures])
181
AC__LIBREPLACE_ONLY_CC_CHECKS_END
182
]) dnl end AC_LIBREPLACE_CC_CHECKS