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Look for g++ in /usr/freeware/bin (IRIX/mips for the JIT). Avoid false

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positives in GCC detection, i.e. knowingly cause a syntax error if #error
was not good enough (MIPSpro CC). Fix dyngen g++ version detection if
main compiler is not g++
This commit is contained in:
gbeauche 2005-12-12 21:22:40 +00:00
parent c71bc8cc4c
commit d9fc0aa5ad
1 changed files with 10 additions and 3 deletions
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13
SheepShaver/src/Unix/configure.ac
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@ -1196,6 +1196,7 @@ HAVE_GCC27=no
AC_MSG_CHECKING(for GCC 2.7 or higher)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5)
# error gcc < 2.7
typedef syntax error;
#endif
]])],
[AC_MSG_RESULT(yes); HAVE_GCC27=yes],
@ -1206,6 +1207,7 @@ HAVE_GCC30=no
AC_MSG_CHECKING(for GCC 3.0 or higher)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#if ! (__GNUC__ >= 3)
# error gcc < 3
typedef syntax error;
#endif
]])],
[AC_MSG_RESULT(yes); HAVE_GCC30=yes],
@ -1311,7 +1313,7 @@ if [[ "x$EMULATED_PPC" = "xyes" ]]; then
if [[ "x$HAVE_GCC27" = "xyes" -a "x$HAVE_ICC" = "xno" ]]; then
DYNGEN_CC=$CXX
else
for p in /usr/bin /usr/local/bin; do
for p in /usr/bin /usr/local/bin /usr/freeware/bin; do
gxx="$p/g++"
if [[ -x "$gxx" ]]; then
DYNGEN_CC="$gxx"
@ -1337,13 +1339,18 @@ if [[ "x$EMULATED_PPC" = "xyes" ]]; then
fi
;;
esac
if [[ "x$HAVE_GCC30" = "xyes" ]]; then
have_dyngen_gcc3=no
case "x`$DYNGEN_CC -dumpversion`" in
x[12].*) ;;
x*) have_dyngen_gcc3=yes ;;
esac
if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
else
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
fi
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-functions -finline-limit=10000 -fno-exceptions -g0"
if [[ "x$HAVE_GCC30" = "xyes" ]]; then
if [[ "x$have_dyngen_gcc3" = "xyes" ]]; then
DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
fi
if [[ "x$DYNGEN_CC" != "x$CXX" ]]; then