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Fix symbol underscore needs for Mac OS X.

This commit is contained in:
steve 2002-10-03 18:03:35 +00:00
parent 6203f05ef9
commit 54a8e12856
1 changed files with 57 additions and 60 deletions
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117
configure.in
View File

@ -75,66 +75,6 @@ AC_LANG_C
AC_CANONICAL_HOST
# $host
#######################
## test for underscores. The vpi module loader needs to know this
## in order to know the name of the start symbol for the .vpi module.
#######################
AC_CYGWIN
AC_EXEEXT
AC_MINGW32
WIN32=no
AC_MSG_CHECKING("Checking for windows")
if test "$CYGWIN" = "yes" -o "$MINGW32" = "yes"
then
WIN32=yes
fi
AC_SUBST(WIN32)
AC_MSG_RESULT($WIN32)
AC_SUBST(EXEEXT)
AC_MSG_CHECKING("for leading and/or trailing underscores")
cat << EOF > underscore.c
void underscore(void){}
EOF
$CC -shared -c underscore.c > /dev/null 2>&1
CC_LEADING_UNDERSCORE=no
CC_TRAILING_UNDERSCORE=no
output=`nm underscore.o|grep _underscore 2>&1`
if test ! -z "$output" -a -z "$CYGWIN" -a -z "$MINGW32"; then
CC_LEADING_UNDERSCORE=yes
AC_DEFINE(NEED_LU)
fi
output=`nm underscore.o|grep underscore_ 2>&1`
if test ! -z "$output"; then
CC_TRAILING_UNDERSCORE=yes
AC_DEFINE(NEED_TU)
fi
if test "$CC_LEADING_UNDERSCORE" = yes; then
AC_DEFINE(WLU)
fi
if test "$CC_TRAILING_UNDERSCORE" = yes; then
AC_DEFINE(WTU)
fi
rm underscore.c underscore.o
AC_MSG_RESULT("$CC_LEADING_UNDERSCORE $CC_TRAILING_UNDERSCORE")
#######################
## end of test for underscores
#######################
# The -fPIC flag is used to tell the compiler to make position
# independent code. It is needed when making shared objects.
@ -234,6 +174,63 @@ esac
AC_SUBST(shared)
AC_MSG_RESULT($shared)
#######################
## test for underscores. The vpi module loader needs to know this
## in order to know the name of the start symbol for the .vpi module.
#######################
AC_CYGWIN
AC_EXEEXT
AC_MINGW32
WIN32=no
AC_MSG_CHECKING("Checking for windows")
if test "$CYGWIN" = "yes" -o "$MINGW32" = "yes"
then
WIN32=yes
fi
AC_SUBST(WIN32)
AC_MSG_RESULT($WIN32)
AC_SUBST(EXEEXT)
AC_MSG_CHECKING("for leading and/or trailing underscores")
cat << EOF > underscore.c
void underscore(void){}
EOF
$CC $shared -c underscore.c > /dev/null 2>&1
CC_LEADING_UNDERSCORE=no
CC_TRAILING_UNDERSCORE=no
output=`nm underscore.o|grep _underscore 2>&1`
if test ! -z "$output" -o $WIN32 = "yes"; then
CC_LEADING_UNDERSCORE=yes
AC_DEFINE(NEED_LU)
fi
output=`nm underscore.o|grep underscore_ 2>&1`
if test ! -z "$output"; then
CC_TRAILING_UNDERSCORE=yes
AC_DEFINE(NEED_TU)
fi
if test "$CC_LEADING_UNDERSCORE" = yes; then
AC_DEFINE(WLU)
fi
if test "$CC_TRAILING_UNDERSCORE" = yes; then
AC_DEFINE(WTU)
fi
rm underscore.c underscore.o
AC_MSG_RESULT("$CC_LEADING_UNDERSCORE $CC_TRAILING_UNDERSCORE")
#######################
## end of test for underscores
#######################
AC_MSG_CHECKING("for ident support in C compiler")
ident_support='-DHAVE_CVS_IDENT=1'