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author | diego <diego@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2006-04-27 14:26:57 +0000 |
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committer | diego <diego@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2006-04-27 14:26:57 +0000 |
commit | e565f780446be3b7fabe639778ad7085438e7a01 (patch) | |
tree | ff2aa435129e44403ef1076c4cd74baafdfb1dff /configure | |
parent | a2fdc1955ce2711cd04e6583fc21bc039bdc6d08 (diff) | |
download | mpv-e565f780446be3b7fabe639778ad7085438e7a01.tar.bz2 mpv-e565f780446be3b7fabe639778ad7085438e7a01.tar.xz |
Document how configure works and how to write basic checks.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@18318 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'configure')
-rwxr-xr-x | configure | 49 |
1 files changed, 38 insertions, 11 deletions
@@ -8,19 +8,46 @@ # Cleanups all over the place (c) 2001 pl # # -# Guidelines: -# If the option is named 'opt': -# _opt : should have a value in yes/no/auto -# _def_opt : '#define ... 1' or '#undef ...' that is: some C code -# _ld_opt : ' -L/path/dir -lopt ' that is: some GCC option -# _inc_opt : ' -I/path/dir/include ' +# This configure script is *not* autoconf-based and has different semantics. +# It attempts to autodetect all settings and options where possible. It is +# possible to override autodetection with the --enable-option/--disable-option +# command line parameters. --enable-option forces the option on skipping +# autodetection. Yes, this means that compilation may fail and yes, this is not +# how autoconf-based configure scripts behave. # -# In this file, a tab is 8 chars and indentation shift is 2 characters +# configure generates a series of configuration files: +# - config.h contains #defines that are used in the C code. +# - config.mak libvo/config.mak libao2/config.mak Gui/config.mak +# and libaf/config.mak are included from the Makefiles. # -# GOTCHAS: -# - config files are currently: -# config.h config.mak libvo/config.mak libao2/config.mak Gui/config.mak -# libaf/config.mak +# If you want to add a new check for $feature, here is a simple skeleton: +# +# echocheck "$feature" +# if "$_feature" = auto; then +# cat > $TMPC << EOF +# #include <feature.h> +# int main(void) { return 0; } +# EOF +# _feature=no +# cc_check && _feature=yes +# if test "$_feature" = yes ; then +# _def_feature='#define HAVE_FEATURE 1' +# else +# _def_feature='#undef HAVE_FEATURE' +# fi +# echores "$_feature" +# +# Furthermore you need to add the variable _feature to the list of default +# settings and set it to one of yes/no/auto. Also add appropriate +# --enable-feature/--disable-feature command line options. +# The results of the check should be written to config.h and config.mak +# at the end of this script. The variable names used for this should be +# uniform, i.e. if the option is named 'feature': +# +# _feature : should have a value of yes/no/auto +# _def_feature : '#define ... 1' or '#undef ...' for conditional compilation +# _ld_feature : '-L/path/dir -lfeature' GCC options +# _inc_feature : '-I/path/dir/include' extra include paths # ############################################################################# |