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authorCarl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>2010-06-25 13:18:48 +0000
committerCarl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>2010-06-25 13:18:48 +0000
commit7237683faff7d67a7caac9addb6ef5e6944db0b1 (patch)
treed67df6db6093d73939f07078ce1df6900456752c
parent2bd007a97e16487e2a2780eec63e148aaaad4c5c (diff)
downloadast2050-flashrom-7237683faff7d67a7caac9addb6ef5e6944db0b1.zip
ast2050-flashrom-7237683faff7d67a7caac9addb6ef5e6944db0b1.tar.gz
Work around shadowing warnings in libpci headers
This is needed for warning-free compilation on older gcc versions (3.x and probably older). Such a gcc version is the default on i386 OpenBSD. Corresponding to flashrom svn r1061. Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net> Acked-by: Stuart Henderson <sthen@openbsd.org>
-rw-r--r--Makefile4
-rw-r--r--hwaccess.h7
2 files changed, 10 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 723a15b..00ab0b2 100644
--- a/Makefile
+++ b/Makefile
@@ -310,7 +310,9 @@ compiler: featuresavailable
ifeq ($(CHECK_LIBPCI), yes)
pciutils: compiler
@printf "Checking for libpci headers... "
- @$(shell ( echo "#include <pci/pci.h>"; \
+ @# Avoid a failing test due to libpci header symbol shadowing breakage
+ @$(shell ( echo "#define index shadow_workaround_index"; \
+ echo "#include <pci/pci.h>"; \
echo "struct pci_access *pacc;"; \
echo "int main(int argc, char **argv)"; \
echo "{ pacc = pci_alloc(); return 0; }"; ) > .test.c )
diff --git a/hwaccess.h b/hwaccess.h
index 91366a6..53e908a 100644
--- a/hwaccess.h
+++ b/hwaccess.h
@@ -31,7 +31,14 @@
#endif
#if NEED_PCI == 1
+/*
+ * libpci headers use the variable name "index" which triggers shadowing
+ * warnings on systems which have the index() function in a default #include
+ * or as builtin.
+ */
+#define index shadow_workaround_index
#include <pci/pci.h>
+#undef index
#endif
#if defined (__i386__) || defined (__x86_64__)
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