%define commit_ver %(echo %version | cut -d. -f3)
Name:          gn
Epoch:         1
Version:       0.1819.e327ffdc
Release:       1mamba
Summary:       A meta-build system that generates build files for Ninja
Group:         Development/Tools
Vendor:        openmamba
Distribution:  openmamba
Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
URL:           https://gn.googlesource.com/gn/+/master/README.md
Source:        https://gn.googlesource.com/gn.git/master@%{commit_ver}/gn-%{version}.tar.bz2
Patch0:        gn-0.20200521git-gcc-support.patch
License:       BSD
## AUTOBUILDREQ-BEGIN
BuildRequires: glibc-devel
BuildRequires: libgcc
## AUTOBUILDREQ-END
BuildRoot:     %{_tmppath}/%{name}-%{version}-root

%description
GN is a meta-build system that generates build files for Ninja.

%debug_package

%prep
%setup -q
%patch0 -p1

cat > src/last_commit_position.h << _EOF
// Generated by build/gen.py.

#ifndef OUT_LAST_COMMIT_POSITION_H_
#define OUT_LAST_COMMIT_POSITION_H_

#define LAST_COMMIT_POSITION "0 (0)"
#define LAST_COMMIT_POSITION_NUM 0

#endif  // OUT_LAST_COMMIT_POSITION_H_
_EOF

%build
CC=cc CXX=c++ AR=ar \
CFLAGS="%{optflags} -pthread" \
CXXFLAGS="%{optflags} -pthread" \
LDFLAGS="%{optflags} -pthread" \
python3 build/gen.py \
  --no-last-commit-position \
  --no-strip

#  --use-lto

ninja -C out

%check
out/gn_unittests

%install
[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
install -D -m0755 out/gn %{buildroot}%{_bindir}/gn

%clean
[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"

%files
%defattr(-,root,root)
%{_bindir}/gn
%doc AUTHORS LICENSE

%changelog
* Wed Nov 11 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 0.1819.e327ffdc-1mamba
- update to 0.1819.e327ffdc

* Mon Nov 09 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 0.20201109git-1mamba
- update to 0.20201109git

* Thu May 21 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 0.20200521git-1mamba
- update to 0.20200521git

* Fri Mar 01 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 0.20190301git-1mamba
- package created using the webbuild interface