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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| dnl @synopsis AC_CHECK_CC_OPT(flag, varname) | ||
| dnl | ||
| dnl AC_CHECK_CC_OPT(-fvomit-frame,vomitframe) | ||
| dnl would show a message as like | ||
| dnl "checking wether gcc accepts -fvomit-frame ... no" | ||
| dnl and sets the shell-variable $vomitframe to either "yes" | ||
| dnl or "no". | ||
|
|
||
| AC_DEFUN(AC_CHECK_CC_OPT, | ||
| [ | ||
| AC_MSG_CHECKING([whether ${CC-cc} accepts $1]) | ||
| echo 'void f(){}' > conftest.c | ||
| if test -z "`${CC-cc} -c $1 conftest.c 2>&1`"; then | ||
| $2="yes" | ||
| else | ||
| $2="no" | ||
| fi | ||
| rm -f conftest* | ||
| AC_MSG_RESULT(${$2}) | ||
| ]) | ||
|
|
||
| dnl @synopsis AC_CHECK_CPU_ARCH | ||
| dnl | ||
|
|
||
| AC_DEFUN(AC_CHECK_CPU_ARCH, | ||
| [ | ||
| if grep -i "family.*:.*3" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="i386" | ||
| ac_cpu_family=3 | ||
| elif grep -i "family.*:.*4" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="i486" | ||
| ac_cpu_family=4 | ||
| elif grep -i "family.*:.*5" /proc/cpuinfo > /dev/null ; then | ||
| if grep -i "model name.*:.*K6" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="k6" | ||
| elif grep -i "model name.*:.*Pentium MMX" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="pentium-mmx" | ||
| elif grep -i "model name.*:.*Pentium" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="pentium" | ||
| else | ||
| ac_cpu_arch="i586" | ||
| fi | ||
| ac_cpu_family=5 | ||
| elif grep "family.*:.*6" /proc/cpuinfo > /dev/null ; then | ||
| if grep -i "model name.*:.*Athlon" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="athlon" | ||
| elif grep -i "model name.*:.*Pentium IV" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="pentium4" | ||
| elif grep -i "model name.*:.*Pentium III" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="pentium3" | ||
| elif grep -i "model name.*:.*Pentium II" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="pentium2" | ||
| elif grep -i "model name.*:.*Pentium Pro" /proc/cpuinfo > /dev/null ; then | ||
| ac_cpu_arch="pentiumpro" | ||
| else | ||
| ac_cpu_arch="i686" | ||
| fi | ||
| ac_cpu_family=6 | ||
| else | ||
| AC_MSG_WARN([Unrecognized /proc/cpuinfo, assuming i686]) | ||
| ac_cpu_arch="i686" | ||
| ac_cpu_family=6 | ||
| fi | ||
| AC_MSG_CHECKING([host cpu, family]) | ||
| AC_MSG_RESULT([$ac_cpu_arch, $ac_cpu_family]) | ||
| ]) | ||
|
|
||
| AC_DEFUN(AC_CHECK_CC_ARCH, | ||
| [ | ||
| AC_CHECK_CC_OPT([-march=$ac_cpu_arch],ac_cc_cpu_arch) | ||
| if test $ac_cc_cpu_arch = yes ; then | ||
| ac_cc_arch=$ac_cpu_arch | ||
| else | ||
| AC_CHECK_CC_OPT([-march=i${ac_cpu_family}86],ac_cc_family_arch) | ||
| if test $ac_cc_family_arch = yes ; then | ||
| ac_cc_arch=i${ac_cpu_family}86 | ||
| else | ||
| ac_cc_arch=blend | ||
| fi | ||
| fi | ||
| ]) |
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