X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c5162569994e4110486fdc1bb7309ccd1ec7bf4e..d833261e11951b3dee1a82fe57d77a5f5b4788db:/acmacro/gras_arch.m4 diff --git a/acmacro/gras_arch.m4 b/acmacro/gras_arch.m4 index 5258ca609b..2ee3adc4ef 100644 --- a/acmacro/gras_arch.m4 +++ b/acmacro/gras_arch.m4 @@ -44,22 +44,25 @@ dnl warning, this does not work with char (quite logical) dnl AC_DEFUN([GRAS_TWO_COMPLEMENT], [ -AC_MSG_CHECKING(whether $1 is two-compliment) -AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include "confdefs.h" +AC_MSG_CHECKING(whether $1 is two-complement) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include "confdefs.h" union { signed $1 testInt; unsigned char bytes[sizeof($1)]; } intTester; ]],[[ intTester.testInt = -2; - return ((unsigned int)intTester.bytes[0] + - (unsigned int)intTester.bytes[sizeof($1) - 1]) - 509; /* should be 0 */ + switch (0) { + case 0: + case (((unsigned int)intTester.bytes[0] + + (unsigned int)intTester.bytes[sizeof($1) - 1]) - 509) == 0: + } ]])], dnl end of AC LANG PROGRAM -[two_compliment=yes],[two_compliment=no] )dnl end of AC COMPILE IFELSE +[two_complement=yes],[two_complement=no] )dnl end of AC COMPILE IFELSE -AC_MSG_RESULT($two_compliment) -if test x$two_compliment != xyes ; then - AC_MSG_ERROR([GRAS works only two-compliment integers (yet)]) +AC_MSG_RESULT($two_complement) +if test x$two_complement != xyes ; then + AC_MSG_ERROR([GRAS works only two-complement integers (yet)]) fi ]) @@ -133,8 +136,9 @@ AC_DEFUN([GRAS_ARCH], [ # Check for the architecture AC_C_BIGENDIAN(endian=1,endian=0,AC_MSG_ERROR([GRAS works only for little or big endian systems (yet)])) -dnl Make sure we don't run on a non-two-compliment arch, since we dunno convert them -GRAS_TWO_COMPLEMENT(int) +dnl Make sure we don't run on a non-two-complement arch, since we dunno convert them +dnl G RAS_TWO_COMPLEMENT(int) don't do this, it breaks cross-compile and all +dnl archs conform to this AC_DEFINE_UNQUOTED(GRAS_BIGENDIAN,$endian,[define if big endian]) GRAS_SIGNED_SIZEOF(char) GRAS_STRUCT_BOUNDARY(char) @@ -179,6 +183,8 @@ case $trace in B_C:1/1:_I:2/2:4/4:8/8:8/8:_P:8/8:8/8:_D:4/4:8/8:) gras_arch=3; gras_arch_name=big64;; B_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=4; gras_arch_name=aix;; B_C:1/1:_I:2/2:4/2:4/2:8/2:_P:4/2:4/2:_D:4/2:8/2:) gras_arch=5; gras_arch_name=arm;; + l_C:1/1:_I:2/2:4/4:4/4:8/8:_P:4/4:4/4:_D:4/4:8/8:) gras_arch=6; gras_arch_name=win32;; + B_C:1/1:_I:2/2:4/4:4/4:8/4:_P:4/4:4/4:_D:4/4:8/4:) gras_arch=7; gras_arch_name=g5;; esac if test x$gras_arch = xunknown ; then AC_MSG_RESULT([damnit ($trace)])