From 2688847c63beac9df94fc81cdeb29fb4307fcb3c Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sun, 9 Dec 2018 02:37:43 -0500
Subject: config: linux (and otherwise): detect absence of stropts.h.

---
 config/x86_64-linux/pyconfig.h |  1 +
 profiles/osapi/overrides.h     |  9 +++++++++
 project/config/cfgdefs.sh      | 21 +++++++++++++++++++++
 3 files changed, 31 insertions(+)
 create mode 100644 profiles/osapi/overrides.h

diff --git a/config/x86_64-linux/pyconfig.h b/config/x86_64-linux/pyconfig.h
index 04acdb7..0ed7498 100644
--- a/config/x86_64-linux/pyconfig.h
+++ b/config/x86_64-linux/pyconfig.h
@@ -3,6 +3,7 @@
 
 #include "osapi/modern.h"
 #include "osapi/linux.h"
+#include "osapi/overrides.h"
 #include "toolchain/64-default.h"
 #include "toolchain/64-le-ieee.h"
 
diff --git a/profiles/osapi/overrides.h b/profiles/osapi/overrides.h
new file mode 100644
index 0000000..0675c79
--- /dev/null
+++ b/profiles/osapi/overrides.h
@@ -0,0 +1,9 @@
+#ifndef PY_OSAPI_OVERRIDES_H
+#define PY_OSAPI_OVERRIDES_H
+
+/* stropts.h */
+#ifdef HAVE_NO_STROPTS_H
+#undef HAVE_STROPTS_H
+#endif
+
+#endif
diff --git a/project/config/cfgdefs.sh b/project/config/cfgdefs.sh
index 00dbde5..62a4d21 100644
--- a/project/config/cfgdefs.sh
+++ b/project/config/cfgdefs.sh
@@ -51,5 +51,26 @@ sed -e 's^@pycompile_cfghost@^'"$mb_pycompile_cfghost"'^g' \
 		> $mb_pwd/cfgdefs.mk || exit 2
 
 
+# system tests: target
+mb_cfgdefs_cc=$(make -s -f Makefile.tmp .display-cc)
+mb_cfgdefs_cflags=$(make -s -f Makefile.tmp .display-cflags)
+
+printf '\n\n#system tests: target\n' >> $mb_pwd/cfgdefs.mk
+
+$mb_cfgdefs_cc $mb_cfgdefs_cflags -E -xc - \
+	--include=stropts.h < /dev/null    \
+	> /dev/null 2>/dev/null ||         \
+		printf 'CFLAGS_CONFIG\t\t+= -DHAVE_NO_STROPTS_H\n' \
+			>> $mb_pwd/cfgdefs.mk
+
+# system tests: (native) pycompile
+printf '\n\n#system tests: (native) pycompile\n' >> $mb_pwd/cfgdefs.mk
+
+$mb_native_cc -E -xc -                     \
+	--include=stropts.h < /dev/null    \
+	> /dev/null 2>/dev/null ||         \
+		printf 'PYCOMPILE_CFLAGS\t+= -DHAVE_NO_STROPTS_H\n' \
+			>> $mb_pwd/cfgdefs.mk
+
 # all done
 return 0
-- 
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