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[committed] libstdc++: Rename non-reserved macros in config header [PR103650]

Message ID 20220117121045.3404773-1-jwakely@redhat.com
State New
Headers show
Series [committed] libstdc++: Rename non-reserved macros in config header [PR103650] | expand

Commit Message

Jonathan Wakely Jan. 17, 2022, 12:10 p.m. UTC 
Tested x86_64-linux, pushed to trunk.


libstdc++-v3/ChangeLog:

	PR libstdc++/103650
	* include/Makefile.am: Rename LT_OBJDIR and STDC_HEADERS.
	* include/Makefile.in: Regenerate.
	* testsuite/17_intro/headers/c++1998/103650.cc: New test.
---
 libstdc++-v3/include/Makefile.am                    |  2 ++
 libstdc++-v3/include/Makefile.in                    |  2 ++
 .../testsuite/17_intro/headers/c++1998/103650.cc    | 13 +++++++++++++
 3 files changed, 17 insertions(+)
 create mode 100644 libstdc++-v3/testsuite/17_intro/headers/c++1998/103650.cc
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Patch

diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 8b1300e0f29..65b2b4e64af 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -1343,6 +1343,8 @@  ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	    -e 's/PACKAGE/_GLIBCXX_PACKAGE/g' \
 	    -e 's/VERSION/_GLIBCXX_VERSION/g' \
 	    -e 's/WORDS_/_GLIBCXX_WORDS_/g' \
+	    -e 's/LT_OBJDIR/_GLIBCXX_LT_OBJDIR/g' \
+	    -e 's/STDC_HEADERS/_GLIBCXX_STDC_HEADERS/g' \
 	    -e 's/_DARWIN_USE_64_BIT_INODE/_GLIBCXX_DARWIN_USE_64_BIT_INODE/g' \
 	    -e 's/_FILE_OFFSET_BITS/_GLIBCXX_FILE_OFFSET_BITS/g' \
 	    -e 's/_LARGE_FILES/_GLIBCXX_LARGE_FILES/g' \
diff --git a/libstdc++-v3/testsuite/17_intro/headers/c++1998/103650.cc b/libstdc++-v3/testsuite/17_intro/headers/c++1998/103650.cc
new file mode 100644
index 00000000000..356ffa310bc
--- /dev/null
+++ b/libstdc++-v3/testsuite/17_intro/headers/c++1998/103650.cc
@@ -0,0 +1,13 @@ 
+// { dg-do preprocess }
+
+// PR libstdc++/103650 libstdc++ headers defined LT_OBJDIR and STDC_HEADERS
+
+#define LT_OBJDIR 99
+#define STDC_HEADERS 99
+#include <utility>
+#if LT_OBJDIR != 99
+# error LT_OBJDIR redefined
+#endif
+#if STDC_HEADERS != 99
+# error STDC_HEADERS redefined
+#endif