mirror of
https://frontier.innolan.net/rainlance/c-ares.git
synced 2026-10-06 00:34:45 +00:00
Added ares_getnameinfo which mimics the getnameinfo API
This commit is contained in:
Dominick Meglio
+168
-148
@@ -1,148 +1,168 @@
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dnl We create a function for detecting which compiler we use and then set as
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dnl pendantic compiler options as possible for that particular compiler. The
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dnl options are only used for debug-builds.
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dnl This is a copy of the original found in curl's configure script. Don't
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dnl modify this one, edit the one in curl and copy it back here when that one
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dnl is changed.
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AC_DEFUN([CURL_CC_DEBUG_OPTS],
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[
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if test "$GCC" = "yes"; then
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dnl figure out gcc version!
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AC_MSG_CHECKING([gcc version])
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gccver=`$CC -dumpversion`
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num1=`echo $gccver | cut -d . -f1`
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num2=`echo $gccver | cut -d . -f2`
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gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`
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AC_MSG_RESULT($gccver)
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AC_MSG_CHECKING([if this is icc in disguise])
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AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER],
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dnl action if the text is found, this it has not been replaced by the
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dnl cpp
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ICC="no"
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AC_MSG_RESULT([no]),
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dnl the text was not found, it was replaced by the cpp
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ICC="yes"
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AC_MSG_RESULT([yes])
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)
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if test "$ICC" = "yes"; then
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dnl this is icc, not gcc.
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dnl ICC warnings we ignore:
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dnl * 279 warns on static conditions in while expressions
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dnl * 269 warns on our "%Od" printf formatters for curl_off_t output:
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dnl "invalid format string conversion"
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WARN="-wd279,269"
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if test "$gccnum" -gt "600"; then
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dnl icc 6.0 and older doesn't have the -Wall flag
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WARN="-Wall $WARN"
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fi
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else dnl $ICC = yes
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dnl
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WARN="-W -Wall -Wwrite-strings -pedantic -Wno-long-long -Wundef -Wpointer-arith -Wnested-externs -Winline -Wmissing-declarations -Wmissing-prototypes -Wsign-compare"
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dnl -Wcast-align is a bit too annoying ;-)
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if test "$gccnum" -ge "296"; then
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dnl gcc 2.96 or later
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WARN="$WARN -Wfloat-equal"
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if test "$gccnum" -gt "296"; then
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dnl this option does not exist in 2.96
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WARN="$WARN -Wno-format-nonliteral"
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fi
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dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
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dnl on i686-Linux as it gives us heaps with false positives
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if test "$gccnum" -ge "303"; then
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dnl gcc 3.3 and later
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WARN="$WARN -Wendif-labels -Wstrict-prototypes"
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fi
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fi
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for flag in $CPPFLAGS; do
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case "$flag" in
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-I*)
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dnl include path
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add=`echo $flag | sed 's/^-I/-isystem /g'`
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WARN="$WARN $add"
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;;
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esac
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done
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fi dnl $ICC = no
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CFLAGS="$CFLAGS $WARN"
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fi dnl $GCC = yes
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dnl strip off optimizer flags
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NEWFLAGS=""
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for flag in $CFLAGS; do
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case "$flag" in
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-O*)
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dnl echo "cut off $flag"
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;;
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*)
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NEWFLAGS="$NEWFLAGS $flag"
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;;
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esac
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done
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CFLAGS=$NEWFLAGS
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]) dnl end of AC_DEFUN()
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dnl This macro determines if the specified struct exists in the specified file
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dnl Syntax:
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dnl CARES_CHECK_STRUCT(headers, struct name, if found, [if not found])
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AC_DEFUN([CARES_CHECK_STRUCT], [
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AC_MSG_CHECKING([for struct $2])
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AC_TRY_COMPILE([$1],
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[
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struct $2 struct_instance;
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], ac_struct="yes", ac_found="no")
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if test "$ac_struct" = "yes" ; then
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AC_MSG_RESULT(yes)
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$3
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else
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AC_MSG_RESULT(no)
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$4
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fi
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])
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dnl This macro determines if the specified constant exists in the specified file
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dnl Syntax:
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dnl CARES_CHECK_CONSTANT(headers, constant name, if found, [if not found])
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AC_DEFUN([CARES_CHECK_CONSTANT], [
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AC_MSG_CHECKING([for $2])
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AC_EGREP_CPP(VARIABLEWASDEFINED,
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[
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$1
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#ifdef $2
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VARIABLEWASDEFINED
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#else
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NJET
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#endif
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], ac_constant="yes", ac_constant="no"
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)
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if test "$ac_constant" = "yes" ; then
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AC_MSG_RESULT(yes)
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$3
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else
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AC_MSG_RESULT(no)
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$4
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fi
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])
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dnl We create a function for detecting which compiler we use and then set as
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dnl pendantic compiler options as possible for that particular compiler. The
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dnl options are only used for debug-builds.
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dnl This is a copy of the original found in curl's configure script. Don't
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dnl modify this one, edit the one in curl and copy it back here when that one
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dnl is changed.
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AC_DEFUN([CURL_CC_DEBUG_OPTS],
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[
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if test "$GCC" = "yes"; then
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dnl figure out gcc version!
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AC_MSG_CHECKING([gcc version])
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gccver=`$CC -dumpversion`
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num1=`echo $gccver | cut -d . -f1`
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num2=`echo $gccver | cut -d . -f2`
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gccnum=`(expr $num1 "*" 100 + $num2) 2>/dev/null`
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AC_MSG_RESULT($gccver)
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AC_MSG_CHECKING([if this is icc in disguise])
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AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER],
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dnl action if the text is found, this it has not been replaced by the
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dnl cpp
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ICC="no"
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AC_MSG_RESULT([no]),
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dnl the text was not found, it was replaced by the cpp
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ICC="yes"
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AC_MSG_RESULT([yes])
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)
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if test "$ICC" = "yes"; then
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dnl this is icc, not gcc.
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dnl ICC warnings we ignore:
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dnl * 279 warns on static conditions in while expressions
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dnl * 269 warns on our "%Od" printf formatters for curl_off_t output:
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dnl "invalid format string conversion"
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WARN="-wd279,269"
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if test "$gccnum" -gt "600"; then
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dnl icc 6.0 and older doesn't have the -Wall flag
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WARN="-Wall $WARN"
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fi
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else dnl $ICC = yes
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dnl
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WARN="-W -Wall -Wwrite-strings -pedantic -Wno-long-long -Wundef -Wpointer-arith -Wnested-externs -Winline -Wmissing-declarations -Wmissing-prototypes -Wsign-compare"
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dnl -Wcast-align is a bit too annoying ;-)
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if test "$gccnum" -ge "296"; then
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dnl gcc 2.96 or later
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WARN="$WARN -Wfloat-equal"
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if test "$gccnum" -gt "296"; then
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dnl this option does not exist in 2.96
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WARN="$WARN -Wno-format-nonliteral"
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fi
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dnl -Wunreachable-code seems totally unreliable on my gcc 3.3.2 on
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dnl on i686-Linux as it gives us heaps with false positives
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if test "$gccnum" -ge "303"; then
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dnl gcc 3.3 and later
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WARN="$WARN -Wendif-labels -Wstrict-prototypes"
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fi
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fi
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for flag in $CPPFLAGS; do
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case "$flag" in
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-I*)
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dnl include path
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add=`echo $flag | sed 's/^-I/-isystem /g'`
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WARN="$WARN $add"
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;;
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esac
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done
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fi dnl $ICC = no
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CFLAGS="$CFLAGS $WARN"
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fi dnl $GCC = yes
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dnl strip off optimizer flags
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NEWFLAGS=""
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for flag in $CFLAGS; do
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case "$flag" in
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-O*)
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dnl echo "cut off $flag"
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;;
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*)
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NEWFLAGS="$NEWFLAGS $flag"
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;;
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esac
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done
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CFLAGS=$NEWFLAGS
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]) dnl end of AC_DEFUN()
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dnl This macro determines if the specified struct exists in the specified file
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dnl Syntax:
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dnl CARES_CHECK_STRUCT(headers, struct name, if found, [if not found])
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AC_DEFUN([CARES_CHECK_STRUCT], [
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AC_MSG_CHECKING([for struct $2])
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AC_TRY_COMPILE([$1],
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[
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struct $2 struct_instance;
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], ac_struct="yes", ac_found="no")
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if test "$ac_struct" = "yes" ; then
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AC_MSG_RESULT(yes)
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$3
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else
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AC_MSG_RESULT(no)
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$4
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fi
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])
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dnl This macro determins if the specified struct contains a specific member.
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dnl Syntax:
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dnl CARES_CHECK_STRUCT_MEMBER(headers, struct name, member name, if found, [if not found])
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AC_DEFUN([CARES_CHECK_STRUCT_MEMBER], [
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AC_MSG_CHECKING([if struct $2 has member $3])
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AC_TRY_COMPILE([$1],
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[
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struct $2 struct_instance;
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struct_instance.$3 = 0;
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], ac_struct="yes", ac_found="no")
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if test "$ac_struct" = "yes" ; then
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AC_MSG_RESULT(yes)
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$4
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else
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AC_MSG_RESULT(no)
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$5
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fi
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])
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dnl This macro determines if the specified constant exists in the specified file
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dnl Syntax:
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dnl CARES_CHECK_CONSTANT(headers, constant name, if found, [if not found])
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AC_DEFUN([CARES_CHECK_CONSTANT], [
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AC_MSG_CHECKING([for $2])
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AC_EGREP_CPP(VARIABLEWASDEFINED,
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[
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$1
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#ifdef $2
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VARIABLEWASDEFINED
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#else
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NJET
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#endif
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], ac_constant="yes", ac_constant="no"
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)
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if test "$ac_constant" = "yes" ; then
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AC_MSG_RESULT(yes)
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$3
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else
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AC_MSG_RESULT(no)
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$4
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fi
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])
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