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| author | simonpj <unknown> | 2003-05-19 08:31:11 +0000 |
|---|---|---|
| committer | simonpj <unknown> | 2003-05-19 08:31:11 +0000 |
| commit | b15e663f7575b0dba1987f0d7968c9939d82dad9 (patch) | |
| tree | 30643fc80e3069387529d71f220ab27b345db6d0 /docs/building/building.sgml | |
| parent | a08aa16ae39b5fc2f4541e9fd33009a5288ba0ae (diff) | |
| download | haskell-b15e663f7575b0dba1987f0d7968c9939d82dad9.tar.gz | |
[project @ 2003-05-19 08:31:11 by simonpj]
More Win32 help
Diffstat (limited to 'docs/building/building.sgml')
| -rw-r--r-- | docs/building/building.sgml | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/docs/building/building.sgml b/docs/building/building.sgml index 565b0be527..27e390bdc9 100644 --- a/docs/building/building.sgml +++ b/docs/building/building.sgml @@ -4435,15 +4435,32 @@ This is the point at which you specify that you are building GHC-mingw (see <xref linkend="ghc-mingw">). </para> <para> Both these options are important! It's possible to get into -trouble using the wrong C compiler! -Furthermore, it's very important that you specify a -full mingw path for <command>gcc</command>, not a cygwin path, because GHC (which -uses this path to invoke <command>gcc</command>) is a Mingw program and won't -understand a cygwin path.. For example, if you +trouble using the wrong C compiler!</para> +<para> +Furthermore, it's <emphasis>very important</emphasis> that you specify a +full MinGW path for <command>gcc</command>, not a Cygwin path, because GHC (which +uses this path to invoke <command>gcc</command>) is a MinGW program and won't +understand a Cygwin path. For example, if you say <literal>--with-gcc=/mingw/bin/gcc</literal>, it'll be interpreted as <filename>/cygdrive/c/mingw/bin/gcc</filename>, and GHC will fail the first -time it tries to invoke it. (Worse, the failure does not come with -a helpful error message, unfortunately.) +time it tries to invoke it. Worse, the failure comes with +no error message whatsoever. GHC simply fails silently when first invoked, +typically leaving you with this: +<programlisting> +make[4]: Leaving directory `/cygdrive/e/fptools-stage1/ghc/rts/gmp' +../../ghc/compiler/ghc-inplace -optc-mno-cygwin -optc-O + -optc-Wall -optc-W -optc-Wstrict-prototypes -optc-Wmissing-prototypes + -optc-Wmissing-declarations -optc-Winline -optc-Waggregate-return + -optc-Wbad-function-cast -optc-Wcast-align -optc-I../includes + -optc-I. -optc-Iparallel -optc-DCOMPILING_RTS + -optc-fomit-frame-pointer -O2 -static + -package-name rts -O -dcore-lint -c Adjustor.c -o Adjustor.o +make[2]: *** [Adjustor.o] Error 1 +make[1]: *** [all] Error 1 +make[1]: Leaving directory `/cygdrive/e/fptools-stage1/ghc' +make: *** [all] Error 1 +</programlisting> +Be warned! </para> <para> |