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Index: configure.in |
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=================================================================== |
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--- configure.in (revision 12273) |
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+++ configure.in (revision 12274) |
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@@ -98,18 +98,21 @@ |
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# We don't want gcc < 3.0 |
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AC_MSG_CHECKING([for a supported version of gcc]) |
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|
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-# Try to get the gcc version, sed-ing out some unexpected stuff |
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-# that appears with the default gcc on OSX 10.6 and 10.7 respectively. |
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-# Without this, the version number comes out as 686, 10 or 11 :-( |
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+# Obtain the compiler version. |
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# |
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-# i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3) |
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-# i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00) |
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+# A few examples of how the ${CC} --version output looks like: |
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# |
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+# Arch Linux: i686-pc-linux-gnu-gcc (GCC) 4.6.2 |
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+# Debian Linux: gcc (Debian 4.3.2-1.1) 4.3.2 |
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+# openSUSE: gcc (SUSE Linux) 4.5.1 20101208 [gcc-4_5-branch revision 167585] |
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+# Exherbo Linux: x86_64-pc-linux-gnu-gcc (Exherbo gcc-4.6.2) 4.6.2 |
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+# OS/X 10.6: i686-apple-darwin10-gcc-4.2.1 (GCC) 4.2.1 (Apple Inc. build 5666) (dot 3) |
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+# OS/X 10.7: i686-apple-darwin11-llvm-gcc-4.2 (GCC) 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2335.15.00) |
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+# Clang: clang version 2.9 (tags/RELEASE_29/final) |
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+# |
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[gcc_version=`${CC} --version \ |
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- | head -n 1 \ |
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- | $SED 's/i686-apple-darwin10//' \ |
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- | $SED 's/i686-apple-darwin11//' \ |
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- | $SED 's/^[^0-9]*\([0-9.]*\).*$/\1/'`] |
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+ | $SED -n -e 's/[^ ]*gcc[^ ]* ([^)]*) \([0-9.]*\).*$/\1/p' \ |
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+ -e 's/[^ ]*clang version \([0-9.]*\).*$/\1/p'`] |
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|
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is_clang="notclang" |
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if test "x`${CC} --version | head -n 1 | $SED 's/\(clang\) version.*/\1/'`" = "xclang" ; then |
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