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libclucene fails to compile under NetBSD current with gcc 10 [with fix]
Under NetBSD 9.99.83 (GENERIC) on amd64 the compile of libclucene 2.3.3.4
flops out due to the gcc version being 10.x.x
The patch patch-src_shared_cmake_MacroCheckGccVisibility.cmake only caters for
gcc versions up to 9.x.x and the configure breaks at:
-- Performing Test _CL_HAVE_GCCVISIBILITYPATCH
-- Performing Test _CL_HAVE_GCCVISIBILITYPATCH - Success
CMake Error at src/shared/cmake/MacroEnsureVersion.cmake:27 (MATH):
MATH cannot parse the expression: "gcc (nb1 2021041110*10000 + gcc (nb1
202104113*100 + gcc (nb1 202104110": syntax error, unexpected exp_NUMBER,
expecting exp_CLOSEPARENT or exp_OR (20).
Call Stack (most recent call first):
src/shared/cmake/MacroCheckGccVisibility.cmake:35 (macro_ensure_version)
src/shared/CMakeLists.txt:230 (MACRO_CHECK_GCC_VISIBILITY)
Simple fix is to patch the patch to allow 10 as a prefix as the diff below,
but it probably needs a better solution to allow for gcc 11 etc.
--- patch-src_shared_cmake_MacroCheckGccVisibility.cmake.orig 2021年06月10日
19:14:27.617319459 +0000
+++ patch-src_shared_cmake_MacroCheckGccVisibility.cmake 2021年06月10日
19:14:49.735712948 +0000
@@ -9,7 +9,7 @@
exec_program(${CMAKE_C_COMPILER} ARGS --version OUTPUT_VARIABLE
_gcc_version_info)
- string (REGEX MATCH "[345]\\.[0-9]\\.[0-9]" _gcc_version
"${_gcc_version_info}")
-+ string (REGEX MATCH "[3456789]\\.[0-9]\\.[0-9]" _gcc_version
"${_gcc_version_info}")
++ string (REGEX MATCH "[3456789]|10\\.[0-9]\\.[0-9]" _gcc_version
"${_gcc_version_info}")
if (NOT _gcc_version)
# clang reports: clang version 1.1 (trunk 95754)
Dave
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