2 Memory allocation on the stack, as an optional optimization.
3 It allows using the alloca() macro if and only if the autoconf tests define
16 BUILT_SOURCES += $(ALLOCA_H)
18 # We need the following in order to create <alloca.h> when the system
19 # doesn't have one that works with the given compiler.
20 if GL_GENERATE_ALLOCA_H
21 alloca.h: alloca.in.h $(top_builddir)/config.status
22 $(AM_V_GEN)rm -f $@-t $@ && \
23 { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
24 cat $(srcdir)/alloca.in.h; \
28 alloca.h: $(top_builddir)/config.status
31 MOSTLYCLEANFILES += alloca.h alloca.h-t