2012-11-25 19:43:09 +01:00
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#!/bin/sh
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die()
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{
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exec >&2
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echo
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echo
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echo " WARNING"
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echo " ======="
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echo
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echo " The lgi check failed."
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echo " The Lua GObject introspection package is just a runtime dependency, so it is not"
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echo " necessary for building awesome. However, awesome needs it to run."
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echo " Add AWESOME_IGNORE_LGI=1 to your environment to continue."
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echo
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echo
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if [ "x$AWESOME_IGNORE_LGI" = "x1" ]
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then
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exit 0
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fi
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exit 1
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}
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# Check if we have lgi
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lua -e 'require("lgi")' || die
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# Check the version number
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Bump minimum lgi dependency to 0.7.0
Before commit 1b2826 in lgi, the get_rgba() function on cairo SolidPatterns was
specified like this:
get_rgba = { ret = cairo.Status,
{ ti.double, dir = 'out' },
{ ti.double, dir = 'out' },
{ ti.double, dir = 'out' } },
The above commit fixed this (without saying so) and the code became:
get_rgba = { ret = cairo.Status,
{ ti.double, dir = 'out' },
{ ti.double, dir = 'out' },
{ ti.double, dir = 'out' },
{ ti.double, dir = 'out' } },
The prototype for the corresponding cairo function is:
cairo_public cairo_status_t
cairo_pattern_get_rgba (cairo_pattern_t *pattern,
double *red, double *green,
double *blue, double *alpha);
As you see, this functions gets four double* as arguments and it will save its
result via those pointers. Old versions of lgi call this function with too few
arguments and this will cause a segmentation fault when cairo dereferences an
invalid pointer.
Signed-off-by: Uli Schlachter <psychon@znc.in>
2014-03-17 17:52:09 +01:00
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# Keep this in sync with lib/gears/surface.lua.in!
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lua -e 'if tonumber(string.match(require("lgi.version"), "(%d%.%d)")) < 0.7 then error("lgi too old, need at least version 0.7.0") end' || die
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2012-11-25 19:43:09 +01:00
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# Check for the needed gi files
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lua -e 'l = require("lgi") assert(l.cairo, l.Pango, l.PangoCairo)' || die
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