1dnl 2dnl $Id$ 3dnl 4dnl This file contains Zend specific autoconf functions. 5dnl 6 7AC_DEFUN([LIBZEND_CHECK_INT_TYPE],[ 8AC_MSG_CHECKING(for $1) 9AC_TRY_COMPILE([ 10#if HAVE_SYS_TYPES_H 11#include <sys/types.h> 12#endif 13#if HAVE_INTTYPES_H 14#include <inttypes.h> 15#elif HAVE_STDINT_H 16#include <stdint.h> 17#endif], 18[if (($1 *) 0) 19 return 0; 20if (sizeof ($1)) 21 return 0; 22],[ 23 AC_DEFINE_UNQUOTED([HAVE_]translit($1,a-z_-,A-Z__), 1,[Define if $1 type is present. ]) 24 AC_MSG_RESULT(yes) 25], AC_MSG_RESULT(no) 26)dnl 27]) 28 29AC_DEFUN([LIBZEND_BASIC_CHECKS],[ 30 31AC_REQUIRE([AC_PROG_YACC]) 32AC_REQUIRE([AC_PROG_CC]) 33AC_REQUIRE([AC_PROG_CC_C_O]) 34AC_REQUIRE([AC_HEADER_STDC]) 35 36LIBZEND_BISON_CHECK 37 38dnl Ugly hack to get around a problem with gcc on AIX. 39if test "$CC" = "gcc" -a "$ac_cv_prog_cc_g" = "yes" -a \ 40 "`uname -sv`" = "AIX 4"; then 41 CFLAGS=`echo $CFLAGS | sed -e 's/-g//'` 42fi 43 44dnl Hack to work around a Mac OS X cpp problem 45dnl Known versions needing this workaround are 5.3 and 5.4 46if test "$ac_cv_prog_gcc" = "yes" -a "`uname -s`" = "Rhapsody"; then 47 CPPFLAGS="$CPPFLAGS -traditional-cpp" 48fi 49 50AC_CHECK_HEADERS( 51inttypes.h \ 52stdint.h \ 53limits.h \ 54malloc.h \ 55string.h \ 56unistd.h \ 57stdarg.h \ 58sys/types.h \ 59sys/time.h \ 60signal.h \ 61unix.h \ 62stdlib.h \ 63dlfcn.h) 64 65AC_TYPE_SIZE_T 66AC_TYPE_SIGNAL 67 68AC_DEFUN([LIBZEND_LIBDL_CHECKS],[ 69AC_CHECK_LIB(dl, dlopen, [LIBS="-ldl $LIBS"]) 70AC_CHECK_FUNC(dlopen,[AC_DEFINE(HAVE_LIBDL, 1,[ ])]) 71]) 72 73AC_DEFUN([LIBZEND_DLSYM_CHECK],[ 74dnl 75dnl Ugly hack to check if dlsym() requires a leading underscore in symbol name. 76dnl 77AC_MSG_CHECKING([whether dlsym() requires a leading underscore in symbol names]) 78_LT_AC_TRY_DLOPEN_SELF([ 79 AC_MSG_RESULT(no) 80], [ 81 AC_MSG_RESULT(yes) 82 AC_DEFINE(DLSYM_NEEDS_UNDERSCORE, 1, [Define if dlsym() requires a leading underscore in symbol names. ]) 83], [ 84 AC_MSG_RESULT(no) 85], []) 86]) 87 88dnl This is required for QNX and may be some BSD derived systems 89AC_CHECK_TYPE( uint, unsigned int ) 90AC_CHECK_TYPE( ulong, unsigned long ) 91 92dnl Check if int32_t and uint32_t are defined 93LIBZEND_CHECK_INT_TYPE(int32_t) 94LIBZEND_CHECK_INT_TYPE(uint32_t) 95 96dnl Checks for library functions. 97AC_FUNC_VPRINTF 98AC_FUNC_MEMCMP 99AC_FUNC_ALLOCA 100AC_CHECK_FUNCS(memcpy strdup getpid kill strtod strtol finite fpclass sigsetjmp) 101AC_ZEND_BROKEN_SPRINTF 102 103AC_CHECK_FUNCS(finite isfinite isinf isnan) 104 105ZEND_FP_EXCEPT 106 107ZEND_CHECK_FLOAT_PRECISION 108 109dnl test whether double cast to long preserves least significant bits 110AC_MSG_CHECKING(whether double cast to long preserves least significant bits) 111 112AC_TRY_RUN([ 113#include <limits.h> 114 115int main() 116{ 117 if (sizeof(long) == 4) { 118 double d = (double) LONG_MIN * LONG_MIN + 2e9; 119 120 if ((long) d == 2e9 && (long) -d == -2e9) { 121 exit(0); 122 } 123 } else if (sizeof(long) == 8) { 124 double correct = 18e18 - ((double) LONG_MIN * -2); /* Subtract ULONG_MAX + 1 */ 125 126 if ((long) 18e18 == correct) { /* On 64-bit, only check between LONG_MAX and ULONG_MAX */ 127 exit(0); 128 } 129 } 130 exit(1); 131} 132], [ 133 AC_DEFINE([ZEND_DVAL_TO_LVAL_CAST_OK], 1, [Define if double cast to long preserves least significant bits]) 134 AC_MSG_RESULT(yes) 135], [ 136 AC_MSG_RESULT(no) 137], [ 138 AC_MSG_RESULT(no) 139]) 140 141]) 142 143AC_DEFUN([LIBZEND_ENABLE_DEBUG],[ 144 145AC_ARG_ENABLE(debug, 146[ --enable-debug Compile with debugging symbols],[ 147 ZEND_DEBUG=$enableval 148],[ 149 ZEND_DEBUG=no 150]) 151 152]) 153 154AC_DEFUN([LIBZEND_OTHER_CHECKS],[ 155 156AC_ARG_WITH(zend-vm, 157[ --with-zend-vm=TYPE Set virtual machine dispatch method. Type is 158 one of "CALL", "SWITCH" or "GOTO" [TYPE=CALL]],[ 159 PHP_ZEND_VM=$withval 160],[ 161 PHP_ZEND_VM=CALL 162]) 163 164AC_ARG_ENABLE(maintainer-zts, 165[ --enable-maintainer-zts Enable thread safety - for code maintainers only!!],[ 166 ZEND_MAINTAINER_ZTS=$enableval 167],[ 168 ZEND_MAINTAINER_ZTS=no 169]) 170 171AC_ARG_ENABLE(inline-optimization, 172[ --disable-inline-optimization 173 If building zend_execute.lo fails, try this switch],[ 174 ZEND_INLINE_OPTIMIZATION=$enableval 175],[ 176 ZEND_INLINE_OPTIMIZATION=yes 177]) 178 179AC_MSG_CHECKING([virtual machine dispatch method]) 180AC_MSG_RESULT($PHP_ZEND_VM) 181 182AC_MSG_CHECKING(whether to enable thread-safety) 183AC_MSG_RESULT($ZEND_MAINTAINER_ZTS) 184 185AC_MSG_CHECKING(whether to enable inline optimization for GCC) 186AC_MSG_RESULT($ZEND_INLINE_OPTIMIZATION) 187 188AC_MSG_CHECKING(whether to enable Zend debugging) 189AC_MSG_RESULT($ZEND_DEBUG) 190 191case $PHP_ZEND_VM in 192 SWITCH) 193 AC_DEFINE(ZEND_VM_KIND,ZEND_VM_KIND_SWITCH,[virtual machine dispatch method]) 194 ;; 195 GOTO) 196 AC_DEFINE(ZEND_VM_KIND,ZEND_VM_KIND_GOTO,[virtual machine dispatch method]) 197 ;; 198 *) 199 PHP_ZEND_VM=CALL 200 AC_DEFINE(ZEND_VM_KIND,ZEND_VM_KIND_CALL,[virtual machine dispatch method]) 201 ;; 202esac 203 204if test "$ZEND_DEBUG" = "yes"; then 205 AC_DEFINE(ZEND_DEBUG,1,[ ]) 206 echo " $CFLAGS" | grep ' -g' >/dev/null || DEBUG_CFLAGS="-g" 207 if test "$CFLAGS" = "-g -O2"; then 208 CFLAGS=-g 209 fi 210 test -n "$GCC" && DEBUG_CFLAGS="$DEBUG_CFLAGS -Wall" 211 test -n "$GCC" && test "$USE_MAINTAINER_MODE" = "yes" && \ 212 DEBUG_CFLAGS="$DEBUG_CFLAGS -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations" 213else 214 AC_DEFINE(ZEND_DEBUG,0,[ ]) 215fi 216 217test -n "$DEBUG_CFLAGS" && CFLAGS="$CFLAGS $DEBUG_CFLAGS" 218 219if test "$ZEND_MAINTAINER_ZTS" = "yes"; then 220 AC_DEFINE(ZTS,1,[ ]) 221 CFLAGS="$CFLAGS -DZTS" 222 LIBZEND_CPLUSPLUS_CHECKS 223fi 224 225changequote({,}) 226if test -n "$GCC" && test "$ZEND_INLINE_OPTIMIZATION" != "yes"; then 227 INLINE_CFLAGS=`echo $ac_n "$CFLAGS $ac_c" | sed s/-O[0-9s]*//` 228else 229 INLINE_CFLAGS="$CFLAGS" 230fi 231changequote([,]) 232 233AC_C_INLINE 234 235AC_SUBST(INLINE_CFLAGS) 236 237AC_MSG_CHECKING(target system is Darwin) 238if echo "$target" | grep "darwin" > /dev/null; then 239 AC_DEFINE([DARWIN], 1, [Define if the target system is darwin]) 240 AC_MSG_RESULT(yes) 241else 242 AC_MSG_RESULT(no) 243fi 244 245dnl test and set the alignment define for ZEND_MM 246dnl this also does the logarithmic test for ZEND_MM. 247AC_MSG_CHECKING(for MM alignment and log values) 248 249AC_TRY_RUN([ 250#include <stdio.h> 251 252typedef union _mm_align_test { 253 void *ptr; 254 double dbl; 255 long lng; 256} mm_align_test; 257 258#if (defined (__GNUC__) && __GNUC__ >= 2) 259#define ZEND_MM_ALIGNMENT (__alignof__ (mm_align_test)) 260#else 261#define ZEND_MM_ALIGNMENT (sizeof(mm_align_test)) 262#endif 263 264int main() 265{ 266 int i = ZEND_MM_ALIGNMENT; 267 int zeros = 0; 268 FILE *fp; 269 270 while (i & ~0x1) { 271 zeros++; 272 i = i >> 1; 273 } 274 275 fp = fopen("conftest.zend", "w"); 276 fprintf(fp, "%d %d\n", ZEND_MM_ALIGNMENT, zeros); 277 fclose(fp); 278 279 exit(0); 280} 281], [ 282 LIBZEND_MM_ALIGN=`cat conftest.zend | cut -d ' ' -f 1` 283 LIBZEND_MM_ALIGN_LOG2=`cat conftest.zend | cut -d ' ' -f 2` 284 AC_DEFINE_UNQUOTED(ZEND_MM_ALIGNMENT, $LIBZEND_MM_ALIGN, [ ]) 285 AC_DEFINE_UNQUOTED(ZEND_MM_ALIGNMENT_LOG2, $LIBZEND_MM_ALIGN_LOG2, [ ]) 286], [], [ 287 dnl cross-compile needs something here 288 LIBZEND_MM_ALIGN=8 289]) 290 291AC_MSG_RESULT(done) 292 293dnl test for memory allocation using mmap(MAP_ANON) 294AC_MSG_CHECKING(for memory allocation using mmap(MAP_ANON)) 295 296AC_TRY_RUN([ 297#include <sys/types.h> 298#include <sys/stat.h> 299#include <fcntl.h> 300#include <sys/mman.h> 301#include <stdlib.h> 302#include <stdio.h> 303#ifndef MAP_ANON 304# ifdef MAP_ANONYMOUS 305# define MAP_ANON MAP_ANONYMOUS 306# endif 307#endif 308#ifndef MREMAP_MAYMOVE 309# define MREMAP_MAYMOVE 0 310#endif 311#ifndef MAP_FAILED 312# define MAP_FAILED ((void*)-1) 313#endif 314 315#define SEG_SIZE (256*1024) 316 317int main() 318{ 319 void *seg = mmap(NULL, SEG_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); 320 if (seg == MAP_FAILED) { 321 return 1; 322 } 323 if (munmap(seg, SEG_SIZE) != 0) { 324 return 2; 325 } 326 return 0; 327} 328], [ 329 AC_DEFINE([HAVE_MEM_MMAP_ANON], 1, [Define if the target system has support for memory allocation using mmap(MAP_ANON)]) 330 AC_MSG_RESULT(yes) 331], [ 332 AC_MSG_RESULT(no) 333], [ 334 dnl cross-compile needs something here 335 AC_MSG_RESULT(no) 336]) 337 338dnl test for memory allocation using mmap("/dev/zero") 339AC_MSG_CHECKING(for memory allocation using mmap("/dev/zero")) 340 341AC_TRY_RUN([ 342#include <sys/types.h> 343#include <sys/stat.h> 344#include <fcntl.h> 345#include <sys/mman.h> 346#include <stdlib.h> 347#include <stdio.h> 348#ifndef MAP_ANON 349# ifdef MAP_ANONYMOUS 350# define MAP_ANON MAP_ANONYMOUS 351# endif 352#endif 353#ifndef MREMAP_MAYMOVE 354# define MREMAP_MAYMOVE 0 355#endif 356#ifndef MAP_FAILED 357# define MAP_FAILED ((void*)-1) 358#endif 359 360#define SEG_SIZE (256*1024) 361 362int main() 363{ 364 int fd; 365 void *seg; 366 367 fd = open("/dev/zero", O_RDWR, S_IRUSR | S_IWUSR); 368 if (fd < 0) { 369 return 1; 370 } 371 seg = mmap(NULL, SEG_SIZE, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0); 372 if (seg == MAP_FAILED) { 373 return 2; 374 } 375 if (munmap(seg, SEG_SIZE) != 0) { 376 return 3; 377 } 378 if (close(fd) != 0) { 379 return 4; 380 } 381 return 0; 382} 383], [ 384 AC_DEFINE([HAVE_MEM_MMAP_ZERO], 1, [Define if the target system has support for memory allocation using mmap("/dev/zero")]) 385 AC_MSG_RESULT(yes) 386], [ 387 AC_MSG_RESULT(no) 388], [ 389 dnl cross-compile needs something here 390 AC_MSG_RESULT(no) 391]) 392 393AC_CHECK_FUNCS(mremap) 394 395 396AC_ARG_ENABLE(zend-signals, 397[ --enable-zend-signals Use zend signal handling],[ 398 ZEND_SIGNALS=$enableval 399],[ 400 ZEND_SIGNALS=no 401]) 402 403AC_CHECK_FUNC(sigaction, [ 404 AC_DEFINE(HAVE_SIGACTION, 1, [Whether sigaction() is available]) 405], [ 406 ZEND_SIGNALS=no 407]) 408if test "$ZEND_SIGNALS" = "yes"; then 409 AC_DEFINE(ZEND_SIGNALS, 1, [Use zend signal handling]) 410 CFLAGS="$CFLAGS -DZEND_SIGNALS" 411fi 412 413AC_MSG_CHECKING(whether to enable zend signal handling) 414AC_MSG_RESULT($ZEND_SIGNALS) 415 416]) 417 418AC_DEFUN([LIBZEND_CPLUSPLUS_CHECKS],[ 419 420]) 421 422AC_MSG_CHECKING(whether /dev/urandom exists) 423if test -r "/dev/urandom" && test -c "/dev/urandom"; then 424 AC_DEFINE([HAVE_DEV_URANDOM], 1, [Define if the target system has /dev/urandom device]) 425 AC_MSG_RESULT(yes) 426else 427 AC_MSG_RESULT(no) 428 AC_MSG_CHECKING(whether /dev/arandom exists) 429 if test -r "/dev/arandom" && test -c "/dev/arandom"; then 430 AC_DEFINE([HAVE_DEV_ARANDOM], 1, [Define if the target system has /dev/arandom device]) 431 AC_MSG_RESULT(yes) 432 else 433 AC_MSG_RESULT(no) 434 fi 435fi 436
