Revision 18474,
1.8 KB
checked in by ghudson, 21 years ago
(diff) |
This commit was generated by cvs2svn to compensate for changes in r18473,
which included commits to RCS files with non-trunk default branches.
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1 | #! /dev/null |
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2 | # Don't call it directly. This shell script fragment is called to |
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3 | # determine: |
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4 | # |
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5 | # 1. libstcxx_incdir: the interface name for libstdc++. |
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6 | # 2. libc_interface: the interface name for libc. |
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7 | # |
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8 | |
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9 | # Get the top level src dir. |
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10 | if [ -z "${topsrcdir}" -a -z "${top_srcdir}" ] |
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11 | then |
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12 | echo "Undefined top level src dir: topsrcdir and top_srcdir are empty" >&2 |
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13 | exit 1 |
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14 | fi |
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15 | |
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16 | if [ -n "${topsrcdir}" ] |
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17 | then |
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18 | if_topsrcdir=${topsrcdir} |
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19 | else |
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20 | if_topsrcdir=${top_srcdir} |
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21 | fi |
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22 | |
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23 | # Set libstdcxx_incdir. |
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24 | # This is the same as gcc/configure.in and libstdc++-v3/acinclude.m4. |
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25 | gcc_version_trigger=${if_topsrcdir}/gcc/version.c |
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26 | gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*"\([^"]*\)".*/\1/'` |
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27 | gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` |
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28 | libstdcxx_incdir=c++/${gcc_version} |
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29 | |
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30 | # The trickiest part is libc_interface. |
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31 | if [ -z "${libc_interface}" ] |
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32 | then |
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33 | case ${target_os} in |
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34 | *linux*libc1*|*linux*libc5*) |
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35 | case ${target_alias} in |
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36 | *alpha*|*powerpc*) |
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37 | libc_interface=-libc5.9- |
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38 | ;; |
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39 | *) |
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40 | libc_interface=-libc5- |
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41 | ;; |
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42 | esac |
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43 | ;; |
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44 | *linux*gnu*) |
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45 | # We have to work harder to figure it out. |
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46 | if [ ${target_alias} = ${build_alias} ] |
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47 | then |
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48 | dummy=if$$ |
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49 | cat >$dummy.c <<EOF |
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50 | #include <features.h> |
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51 | main(argc, argv) |
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52 | int argc; |
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53 | char *argv[]; |
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54 | { |
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55 | printf("%d\n", __GLIBC_MINOR__); |
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56 | return 0; |
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57 | } |
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58 | EOF |
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59 | ${CC-cc} $dummy.c -o $dummy 2>/dev/null |
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60 | if [ "$?" = 0 ] |
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61 | then |
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62 | libc_interface=-libc6.`./$dummy`- |
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63 | rm -f $dummy.c $dummy |
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64 | else |
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65 | # It should never happen. |
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66 | echo "Cannot find the GNU C library minor version number." >&2 |
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67 | rm -f $dummy.c $dummy |
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68 | exit 1 |
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69 | fi |
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70 | else |
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71 | # Cross compiling. Assume glibc 2.1. |
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72 | libc_interface=-libc6.1- |
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73 | fi |
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74 | ;; |
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75 | *) |
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76 | libc_interface=- |
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77 | ;; |
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78 | esac |
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79 | fi |
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