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cares-compilers.m4: CARES_CONVERT_INCLUDE_TO_ISYSTEM adjustments 

Add CARES_CHECK_COMPILER as a requirement.

Ensure macro does nothing unless GNU_C or CLANG compiler is used.

This should allow usage of this macro in unforeseen placements.
This commit is contained in:
Yang Tse 2011-08-08 18:33:05 +02:00
parent a8f62e82bf
commit a94b4e53d1
1 changed files with 34 additions and 30 deletions
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64
m4/cares-compilers.m4
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@ -15,7 +15,7 @@
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
# serial 66
# serial 67
dnl CARES_CHECK_COMPILER
@ -418,35 +418,39 @@ dnl GNUC versions these warnings are not silenced.
AC_DEFUN([CARES_CONVERT_INCLUDE_TO_ISYSTEM], [
AC_REQUIRE([CARES_SHFUNC_SQUEEZE])dnl
tmp_has_include="no"
tmp_chg_FLAGS="$CFLAGS"
for word1 in $tmp_chg_FLAGS; do
case "$word1" in
-I*)
tmp_has_include="yes"
;;
esac
done
if test "$tmp_has_include" = "yes"; then
tmp_chg_FLAGS=`echo "$tmp_chg_FLAGS" | "$SED" 's/^-I/ -isystem /g'`
tmp_chg_FLAGS=`echo "$tmp_chg_FLAGS" | "$SED" 's/ -I/ -isystem /g'`
CFLAGS="$tmp_chg_FLAGS"
squeeze CFLAGS
fi
tmp_has_include="no"
tmp_chg_FLAGS="$CPPFLAGS"
for word1 in $tmp_chg_FLAGS; do
case "$word1" in
-I*)
tmp_has_include="yes"
;;
esac
done
if test "$tmp_has_include" = "yes"; then
tmp_chg_FLAGS=`echo "$tmp_chg_FLAGS" | "$SED" 's/^-I/ -isystem /g'`
tmp_chg_FLAGS=`echo "$tmp_chg_FLAGS" | "$SED" 's/ -I/ -isystem /g'`
CPPFLAGS="$tmp_chg_FLAGS"
squeeze CPPFLAGS
AC_REQUIRE([CARES_CHECK_COMPILER])dnl
if test "$compiler_id" = "GNU_C" ||
test "$compiler_id" = "CLANG"; then
tmp_has_include="no"
tmp_chg_FLAGS="$CFLAGS"
for word1 in $tmp_chg_FLAGS; do
case "$word1" in
-I*)
tmp_has_include="yes"
;;
esac
done
if test "$tmp_has_include" = "yes"; then
tmp_chg_FLAGS=`echo "$tmp_chg_FLAGS" | "$SED" 's/^-I/ -isystem /g'`
tmp_chg_FLAGS=`echo "$tmp_chg_FLAGS" | "$SED" 's/ -I/ -isystem /g'`
CFLAGS="$tmp_chg_FLAGS"
squeeze CFLAGS
fi
tmp_has_include="no"
tmp_chg_FLAGS="$CPPFLAGS"
for word1 in $tmp_chg_FLAGS; do
case "$word1" in
-I*)
tmp_has_include="yes"
;;
esac
done
if test "$tmp_has_include" = "yes"; then
tmp_chg_FLAGS=`echo "$tmp_chg_FLAGS" | "$SED" 's/^-I/ -isystem /g'`
tmp_chg_FLAGS=`echo "$tmp_chg_FLAGS" | "$SED" 's/ -I/ -isystem /g'`
CPPFLAGS="$tmp_chg_FLAGS"
squeeze CPPFLAGS
fi
fi
])