diff options
Diffstat (limited to 'INSTALL')
| -rw-r--r-- | INSTALL | 53 |
1 files changed, 28 insertions, 25 deletions
@@ -119,7 +119,7 @@ will be used, and CFLAGS sets optimization options for the compiler. `--enable-omitfp' Use maximum optimization for the normal (static and shared) libraries, and compile separate static libraries with debugging - information and no optimisation. We recommend against this. The + information and no optimization. We recommend against this. The extra optimization doesn't gain you much, it may provoke compiler bugs, and you won't be able to trace bugs through the C library. @@ -134,6 +134,12 @@ will be used, and CFLAGS sets optimization options for the compiler. program linked statically with the NSS libraries cannot be dynamically reconfigured to use a different name database. +`--without-tls' + By default the C library is build with support for thread-local + storage if the used tools support it. By using `--without-tls' + this can be prevented though there generally is no reason since it + creates compatibility problems. + `--build=BUILD-SYSTEM' `--host=HOST-SYSTEM' These options are for cross-compiling. If you specify both @@ -159,26 +165,16 @@ produce a lot of output, some of which may look like errors from `make' but isn't. Look for error messages from `make' containing `***'. Those indicate that something is really wrong. - The compilation process takes several hours even on fast hardware. -Expect at least two hours for the default configuration on i586 for -Linux. For Hurd times are much longer. Except for EGCS 1.1 and GCC -2.95 (and later versions of GCC), all supported versions of GCC have a -problem which causes them to take several minutes to compile certain -files in the iconvdata directory. Do not panic if the compiler appears -to hang. - - If you want to run a parallel make, you can't just give `make' the -`-j' option, because it won't be passed down to the sub-makes. -Instead, edit the generated `Makefile' and uncomment the line + The compilation process can take several hours. Expect at least two +hours for the default configuration on i586 for Linux. For Hurd times +are much longer. Except for EGCS 1.1 and GCC 2.95 (and later versions +of GCC), all supported versions of GCC have a problem which causes them +to take several minutes to compile certain files in the iconvdata +directory. Do not panic if the compiler appears to hang. - # PARALLELMFLAGS = -j 4 - -You can change the `4' to some other number as appropriate for your -system. Instead of changing the `Makefile', you could give this option -directly to `make' and call it as, for example, `make -PARALLELMFLAGS=-j4'. If you're building in the source directory, you -must use the latter approach since in this case no new `Makefile' is -generated for you to change. + If you want to run a parallel make, simply pass the `-j' option with +an appropriate numeric parameter to `make'. You need a recent GNU +`make' version, though. To build and run test programs which exercise some of the library facilities, type `make check'. If it does not complete successfully, @@ -188,6 +184,11 @@ on reporting bugs. Note that some of the tests assume they are not being run by `root'. We recommend you compile and test glibc as an unprivileged user. + Before reporting bugs make sure there is no problem with your system. +The tests (and later installation) uses some pre-existing files of the +system such as `/etc/passwd', `/etc/nsswitch.conf' and others. These +files must all contain correct and sensible content. + To format the `GNU C Library Reference Manual' for printing, type `make dvi'. You need a working TeX installation to do this. The distribution already includes the on-line formatted version of the @@ -440,11 +441,13 @@ Specific advice for Linux systems ================================= If you are installing GNU libc on a Linux system, you need to have -the header files from a 2.2 kernel around for reference. You do not -need to use the 2.2 kernel, just have its headers where glibc can access -at them. The easiest way to do this is to unpack it in a directory -such as `/usr/src/linux-2.2.1'. In that directory, run `make config' -and accept all the defaults. Then run `make include/linux/version.h'. +the header files from a 2.2 or newer kernel around for reference. For +some architectures, like ia64, sh and hppa, you need at least headers +from kernel 2.3.99 (sh and hppa) or 2.4.0 (ia64). You do not need to +use that kernel, just have its headers where glibc can access at them. +The easiest way to do this is to unpack it in a directory such as +`/usr/src/linux-2.2.1'. In that directory, run `make config' and +accept all the defaults. Then run `make include/linux/version.h'. Finally, configure glibc with the option `--with-headers=/usr/src/linux-2.2.1/include'. Use the most recent kernel you can get your hands on. |