link with libatomic on %{armv6}

diff --git a/tbb.spec b/tbb.spec
index 001e384b2f3c225293adca534e1be2ec21388691..d9eb09d359aab789e598658a887b5aa4186f417f 100644 (file)
--- a/tbb.spec
+++ b/tbb.spec
@@ -2,6 +2,11 @@
 %define                major   2021
 %define                minor   4
 %define                micro   0
+
+%ifarch %{armv6}
+%define                with_libatomic  1
+%endif
+
 Summary:       The Threading Building Blocks library abstracts low-level threading details
 Summary(pl.UTF-8):     Threading Building Blocks - biblioteka abstrahująca niskopoziomowe szczegóły obsługi wątków
 Name:          tbb
@@ -24,9 +29,10 @@ URL:         http://www.threadingbuildingblocks.org/
 Patch0:                %{name}-x86_32bit.patch
 BuildRequires: cmake >= 3.1
 BuildRequires: hwloc-devel
+%{?with_libatomic:BuildRequires:       libatomic-devel}
 BuildRequires: libstdc++-devel >= 6:4.7
 BuildRequires: pkgconfig
-BuildRequires: rpmbuild(macros) >= 1.605
+BuildRequires: rpmbuild(macros) >= 2.007
 BuildRequires: sed >= 4.0
 ExclusiveArch: %{ix86} %{x8664} x32 %{arm} aarch64 ia64 ppc ppc64
 # __TBB_machine_cmpswp8 uses gcc's __sync_val_compare_and_swap8 or directly cmpxchg8b asm instruction
@@ -98,6 +104,7 @@ cp -p %{SOURCE1} %{SOURCE2} %{SOURCE3} %{SOURCE4} .
 
 %build
 %cmake -B build \
+       %{?with_libatomic:-DTBB_LIB_LINK_LIBS=-latomic} \
        -DTBB_STRICT:BOOL=OFF \
        -DTBB_TEST:BOOL=OFF