AIX defines a class() function in its math.h header without any
guard.
---
Tested locally by adding a class() function in math.h
compat/aix/math.h | 14 ++++++++++++++
configure | 3 +++
2 files changed, 17 insertions(+)
create mode 100644 compat/aix/math.h
diff --git a/compat/aix/math.h b/compat/aix/math.h
new file mode 100644
index 0000000..7c8134c
--- /dev/null
+++ b/compat/aix/math.h
@@ -0,0 +1,14 @@
+/*
+ * Workaround aix-specific class() function clashing with libav class usage
+ */
+
+#ifndef COMPAT_AIX_MATH_H
+#define COMPAT_AIX_MATH_H
+
+#define class class_in_math_h_causes_problems
+
+#include_next <math.h>
+
+#undef class
+
+#endif /* COMPAT_AIX_MATH_H */
diff --git a/configure b/configure
index db591e8..e1edbe6 100755
--- a/configure
+++ b/configure
@@ -3049,6 +3049,9 @@ enabled spic && enable_weak pic
# OS specific
case $target_os in
+ aix)
+ add_cppflags '-I\$(SRC_PATH)/compat/aix'
+ ;;
haiku)
prefix_default="/boot/common"
network_extralibs="-lnetwork"
--
1.8.2.1
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