mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-06-26 10:29:57 +00:00
Add a check to see if HUGE_VAL is sane or not.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31416 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
parent
118c094176
commit
b2ed0526ce
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@ -240,3 +240,7 @@ ECHO := echo
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# available to those loadable modules.
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LINKALL := @LINKALL@
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NOLINKALL := @NOLINKALL@
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# Get the value of HUGE_VAL_SANITY which will be either "yes" or "no" depending
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# on the check.
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HUGE_VAL_SANITY = @HUGE_VAL_SANITY@
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@ -630,6 +630,7 @@ dnl=== SECTION 7: Check for types and structures
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dnl===
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dnl===-----------------------------------------------------------------------===
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AC_HUGE_VAL_CHECK
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AC_TYPE_PID_T
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AC_TYPE_SIZE_T
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AC_TYPE_SIGNAL
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18
autoconf/m4/huge_val.m4
Normal file
18
autoconf/m4/huge_val.m4
Normal file
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@ -0,0 +1,18 @@
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#
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# This function determins if the the HUGE_VAL macro is compilable with the
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# -pedantic switch or not. XCode < 2.4.1 doesn't get it right.
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#
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AC_DEFUN([AC_HUGE_VAL_CHECK],[
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AC_CACHE_CHECK([for HUGE_VAL sanity], [ac_cv_huge_val_sanity],[
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AC_LANG_PUSH(C)
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CPPFLAGS=-pedantic
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AC_RUN_IFELSE(
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AC_LANG_PROGRAM(
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[#include <math.h>],
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[double x = HUGE_VAL; return x != x; ]),
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[ac_cv_huge_val_sanity=yes],[ac_cv_huge_val_sanity=no],
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[ac_cv_huge_val_sanity=yes])
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AC_LANG_POP(C)
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])
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AC_SUBST(HUGE_VAL_SANITY,$ac_cv_huge_val_sanity)
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])
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130
configure
vendored
130
configure
vendored
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@ -895,6 +895,7 @@ LIBTOOL
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ETAGSFLAGS
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LLVMGCC
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LLVMGXX
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HUGE_VAL_SANITY
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ALLOCA
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MMAP_FILE
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LLVMCC1
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@ -10268,7 +10269,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<EOF
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#line 10271 "configure"
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#line 10272 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -12412,7 +12413,7 @@ ia64-*-hpux*)
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;;
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*-*-irix6*)
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# Find out which ABI we are using.
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echo '#line 12415 "configure"' > conftest.$ac_ext
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echo '#line 12416 "configure"' > conftest.$ac_ext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>&5
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ac_status=$?
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@ -14130,11 +14131,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:14133: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:14134: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>conftest.err)
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ac_status=$?
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cat conftest.err >&5
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echo "$as_me:14137: \$? = $ac_status" >&5
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echo "$as_me:14138: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s "$ac_outfile"; then
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# The compiler can only warn and ignore the option if not recognized
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# So say no if there are warnings other than the usual output.
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@ -14398,11 +14399,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:14401: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:14402: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>conftest.err)
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ac_status=$?
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cat conftest.err >&5
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echo "$as_me:14405: \$? = $ac_status" >&5
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echo "$as_me:14406: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s "$ac_outfile"; then
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# The compiler can only warn and ignore the option if not recognized
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# So say no if there are warnings other than the usual output.
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@ -14502,11 +14503,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:14505: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:14506: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>out/conftest.err)
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ac_status=$?
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cat out/conftest.err >&5
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echo "$as_me:14509: \$? = $ac_status" >&5
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echo "$as_me:14510: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s out/conftest2.$ac_objext
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then
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# The compiler can only warn and ignore the option if not recognized
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@ -16954,7 +16955,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<EOF
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#line 16957 "configure"
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#line 16958 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -17054,7 +17055,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<EOF
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#line 17057 "configure"
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#line 17058 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -19422,11 +19423,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:19425: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:19426: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>conftest.err)
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ac_status=$?
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cat conftest.err >&5
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echo "$as_me:19429: \$? = $ac_status" >&5
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echo "$as_me:19430: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s "$ac_outfile"; then
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# The compiler can only warn and ignore the option if not recognized
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# So say no if there are warnings other than the usual output.
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@ -19526,11 +19527,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:19529: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:19530: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>out/conftest.err)
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ac_status=$?
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cat out/conftest.err >&5
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echo "$as_me:19533: \$? = $ac_status" >&5
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echo "$as_me:19534: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s out/conftest2.$ac_objext
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then
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# The compiler can only warn and ignore the option if not recognized
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@ -21096,11 +21097,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:21099: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:21100: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>conftest.err)
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ac_status=$?
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cat conftest.err >&5
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echo "$as_me:21103: \$? = $ac_status" >&5
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echo "$as_me:21104: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s "$ac_outfile"; then
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# The compiler can only warn and ignore the option if not recognized
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# So say no if there are warnings other than the usual output.
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@ -21200,11 +21201,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:21203: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:21204: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>out/conftest.err)
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ac_status=$?
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cat out/conftest.err >&5
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echo "$as_me:21207: \$? = $ac_status" >&5
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echo "$as_me:21208: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s out/conftest2.$ac_objext
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then
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# The compiler can only warn and ignore the option if not recognized
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@ -23435,11 +23436,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:23438: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:23439: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>conftest.err)
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ac_status=$?
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cat conftest.err >&5
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echo "$as_me:23442: \$? = $ac_status" >&5
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echo "$as_me:23443: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s "$ac_outfile"; then
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# The compiler can only warn and ignore the option if not recognized
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# So say no if there are warnings other than the usual output.
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@ -23703,11 +23704,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:23706: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:23707: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>conftest.err)
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ac_status=$?
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cat conftest.err >&5
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echo "$as_me:23710: \$? = $ac_status" >&5
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echo "$as_me:23711: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s "$ac_outfile"; then
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# The compiler can only warn and ignore the option if not recognized
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# So say no if there are warnings other than the usual output.
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@ -23807,11 +23808,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:23810: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:23811: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>out/conftest.err)
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ac_status=$?
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cat out/conftest.err >&5
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echo "$as_me:23814: \$? = $ac_status" >&5
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echo "$as_me:23815: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s out/conftest2.$ac_objext
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then
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# The compiler can only warn and ignore the option if not recognized
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@ -29175,6 +29176,84 @@ done
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fi
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{ echo "$as_me:$LINENO: checking for HUGE_VAL sanity" >&5
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echo $ECHO_N "checking for HUGE_VAL sanity... $ECHO_C" >&6; }
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if test "${ac_cv_huge_val_sanity+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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ac_ext=c
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ac_cpp='$CPP $CPPFLAGS'
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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_c_compiler_gnu
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CPPFLAGS=-pedantic
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if test "$cross_compiling" = yes; then
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ac_cv_huge_val_sanity=yes
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else
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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#include <math.h>
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int
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main ()
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{
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double x = HUGE_VAL; return x != x;
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;
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return 0;
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}
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_ACEOF
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rm -f conftest$ac_exeext
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if { (ac_try="$ac_link"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_link") 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } && { ac_try='./conftest$ac_exeext'
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{ (case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
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(eval "$ac_try") 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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ac_cv_huge_val_sanity=yes
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else
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echo "$as_me: program exited with status $ac_status" >&5
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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( exit $ac_status )
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ac_cv_huge_val_sanity=no
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fi
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rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
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fi
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ac_ext=c
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ac_cpp='$CPP $CPPFLAGS'
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ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
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ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
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ac_compiler_gnu=$ac_cv_c_compiler_gnu
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fi
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{ echo "$as_me:$LINENO: result: $ac_cv_huge_val_sanity" >&5
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echo "${ECHO_T}$ac_cv_huge_val_sanity" >&6; }
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HUGE_VAL_SANITY=$ac_cv_huge_val_sanity
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{ echo "$as_me:$LINENO: checking for pid_t" >&5
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echo $ECHO_N "checking for pid_t... $ECHO_C" >&6; }
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if test "${ac_cv_type_pid_t+set}" = set; then
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@ -34167,6 +34246,7 @@ LIBTOOL!$LIBTOOL$ac_delim
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ETAGSFLAGS!$ETAGSFLAGS$ac_delim
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LLVMGCC!$LLVMGCC$ac_delim
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LLVMGXX!$LLVMGXX$ac_delim
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HUGE_VAL_SANITY!$HUGE_VAL_SANITY$ac_delim
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ALLOCA!$ALLOCA$ac_delim
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MMAP_FILE!$MMAP_FILE$ac_delim
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LLVMCC1!$LLVMCC1$ac_delim
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@ -34189,7 +34269,7 @@ LIBOBJS!$LIBOBJS$ac_delim
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LTLIBOBJS!$LTLIBOBJS$ac_delim
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_ACEOF
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if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 62; then
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if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 63; then
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break
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elif $ac_last_try; then
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{ { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
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