diff options
Diffstat (limited to 'ares/configure.ac')
| -rw-r--r-- | ares/configure.ac | 83 |
1 files changed, 49 insertions, 34 deletions
diff --git a/ares/configure.ac b/ares/configure.ac index db9576a12..3b9fad3b3 100644 --- a/ares/configure.ac +++ b/ares/configure.ac @@ -171,43 +171,14 @@ dnl ********************************************************************** dnl platform/compiler/architecture specific checks/flags dnl ********************************************************************** -case $host in - # - x86_64*linux*) - # - dnl find out if icc is being used - if test "z$ICC" = "z"; then - CURL_DETECT_ICC - fi - # - if test "$ICC" = "yes"; then - dnl figure out icc version - AC_MSG_CHECKING([icc version]) - iccver=`$CC -dumpversion` - iccnhi=`echo $iccver | cut -d . -f1` - iccnlo=`echo $iccver | cut -d . -f2` - iccnum=`(expr $iccnhi "*" 100 + $iccnlo) 2>/dev/null` - AC_MSG_RESULT($iccver) - # - if test "$iccnum" -ge "900" && test "$iccnum" -lt "1000"; then - dnl icc 9.X specific - CFLAGS="$CFLAGS -i-dynamic" - fi - # - if test "$iccnum" -ge "1000"; then - dnl icc 10.X or later - CFLAGS="$CFLAGS -shared-intel" - fi - # - fi - ;; - # -esac +ac_cv_compiler="unknown" +ac_cv_compiler_num="unknown" AC_MSG_CHECKING([whether we are using the IBM C compiler]) CURL_CHECK_DEF([__IBMC__], [], [silent]) if test "$curl_cv_have_def___IBMC__" = "yes"; then AC_MSG_RESULT([yes]) + ac_cv_compiler="IBMC" dnl Ensure that compiler optimizations are always thread-safe. CFLAGS="$CFLAGS -qthreaded" dnl Disable type based strict aliasing optimizations, using worst @@ -226,10 +197,14 @@ AC_MSG_CHECKING([whether we are using the Intel C compiler]) CURL_CHECK_DEF([__INTEL_COMPILER], [], [silent]) if test "$curl_cv_have_def___INTEL_COMPILER" = "yes"; then AC_MSG_RESULT([yes]) - dnl On Linux this compiler uses gcc's header files, so + ac_cv_compiler="ICC" + AC_MSG_CHECKING([compiler version]) + ac_cv_compiler_num="$curl_cv_def___INTEL_COMPILER" + AC_MSG_RESULT([$ac_cv_compiler_num]) + dnl On unix this compiler uses gcc's header files, so dnl we select ANSI C89 dialect plus GNU extensions. CPPFLAGS="$CPPFLAGS -std=gnu89" - if test "$curl_cv_def___INTEL_COMPILER" -gt "600"; then + if test "$ac_cv_compiler_num" -gt "600"; then dnl Show errors, warnings, and remarks CPPFLAGS="$CPPFLAGS -Wall" dnl Perform extra compile-time code checking @@ -263,6 +238,7 @@ CURL_CHECK_DEF([__DECC_VER], [], [silent]) if test "$curl_cv_have_def___DECC" = "yes" && test "$curl_cv_have_def___DECC_VER" = "yes"; then AC_MSG_RESULT([yes]) + ac_cv_compiler="DECC" dnl Select strict ANSI C compiler mode CFLAGS="$CFLAGS -std1" dnl Turn off optimizer ANSI C aliasing rules @@ -277,6 +253,45 @@ else AC_MSG_RESULT([no]) fi +AC_MSG_CHECKING([whether we are using the GNU C compiler]) +CURL_CHECK_DEF([__GNUC__], [], [silent]) +if test "$curl_cv_have_def___GNUC__" = "yes" && + test "$ac_cv_compiler" = "unknown"; then + AC_MSG_RESULT([yes]) + ac_cv_compiler="GNUC" + AC_MSG_CHECKING([compiler version]) + gccver=`$CC -dumpversion` + gccvhi=`echo $gccver | cut -d . -f1` + gccvlo=`echo $gccver | cut -d . -f2` + gccnum=`(expr $gccvhi "*" 100 + $gccvlo) 2>/dev/null` + ac_cv_compiler_num="$gccnum" + AC_MSG_RESULT([$ac_cv_compiler_num]) +else + AC_MSG_RESULT([no]) +fi + +case $host in + # + x86_64*linux*|amd64*freebsd*|ia64*freebsd*) + # + if test "$ac_cv_compiler" = "ICC"; then + # + if test "$ac_cv_compiler_num" -ge "900" && + test "$ac_cv_compiler_num" -lt "1000"; then + dnl icc 9.X specific + LDFLAGS="$LDFLAGS -i-dynamic" + fi + # + if test "$ac_cv_compiler_num" -ge "1000"; then + dnl icc 10.X or later + LDFLAGS="$LDFLAGS -shared-intel" + fi + # + fi + ;; + # +esac + CURL_CHECK_COMPILER_HALT_ON_ERROR CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE |