確定打在rpm包中的.so檔案具有可執行權限

背景介紹：

有一個工程，其目錄結構是：

libB

   -- libA

   -- src

   -- packaging

目錄libA通過scons編譯生成libA.so，目錄src中的源代碼通過 CMAKE編譯生成libB.so, 且libB.so 依賴 libA.so. 另外有個應用程式 appC，依賴 libB.so。請問如何libB如何打包成rpm。libB.rpm

方案一：

1) 先隻編譯LibA，生成的libA.so在libA/libA.so，然後在libB的CMAKE檔案中連結LibA.so, 并用FILES安裝LibA.so.

libB.spec:

Name:           libB
Version:        0.1.0
Release:        1
License:        TO BE / FILLED IN
Group:          TO BE / FILLED IN
Source0:        %{name}-%{version}.tar.gz
Summary:        LibB
BuildRequires:  cmake
BuildRequires:  scons

%description
LibB

%package devel
Summary:        Include Files and Libraries mandatory for Development
Group:          TO BE / FILED IN
Requires:       %{name} = %{version}-%{release}

%description devel
This package contains all necessary include files and libraries needed
to develop applications that require these.

%prep
%setup -q

%build
pushd .
cd libA
scons --prefix=%{_prefix}
popd

cmake . -DCMAKE_INSTALL_PREFIX=%{_prefix}

make %{?jobs:-j%jobs}


%install
rm -rf %{buildroot}
%make_install

%clean
rm -rf %{buildroot}

%post

%postun


%files
%defattr(-,root,root,-)
%{_libdir}/libA.so
%{_libdir}/LibB.so

%files devel
%defattr(-,root,root,-)
%{_includedir}/*
%{_libdir}/pkgconfig/%{name}.pc
%{_libdir}/pkgconfig/libA.pc

           

LibB CMAKELists.txt:

CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
PROJECT(libB)

ADD_LIBRARY(${PROJECT_NAME} SHARED src/libB.c)
# 尋找libA.so
FIND_LIBRARY(LibA NAME A PATHS ${CMAKE_SOURCE_DIR}/libA DOC "LibA library")
# 連結libA.so
TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${PKGS_LDFLAGS} ${LibA})
# 安裝libA.so
INSTALL(FILES ${CMAKE_SOURCE_DIR}/libA/libA.so DESTINATION ${LIBDIR})
# 安裝libB.so
INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIBDIR})
           

2）編譯appC

編譯出錯：

appC： nothing provides libA.so needed by libB

原因分析：明明libB.rpm裡已經包括了libA.so 和libB.so, 為什麼說沒有提供libA,so?

我們解開rpm看看：

rpm2cpio libB.rpm | cpio -div
cd usr/lib
ls -l
-rwxr-xr-x 1 root root 1637738  19 18:27 libB.so
-rw-r--r-- 1 root root 1674522  19 18:27 libA.so

           

libA.so的可執行權限沒有了。

原因是 以FILES安裝的檔案會去除可執行權限

INSTALL(FILES ${CMAKE_SOURCE_DIR}/libA/libA.so DESTINATION ${LIBDIR})
           

解決方案2：

1）編譯安裝libA都通過scons。

libB.spec:

Name:           libB
Version:        0.1.0
Release:        1
License:        TO BE / FILLED IN
Group:          TO BE / FILLED IN
Source0:        %{name}-%{version}.tar.gz
Summary:        LibB
BuildRequires:  cmake
BuildRequires:  scons

%description
LibB

%package devel
Summary:        Include Files and Libraries mandatory for Development
Group:          TO BE / FILED IN
Requires:       %{name} = %{version}-%{release}

%description devel
This package contains all necessary include files and libraries needed
to develop applications that require these.

%prep
%setup -q

%build
pushd .
cd libA
scons --prefix=%{_prefix}
popd

cmake . -DCMAKE_INSTALL_PREFIX=%{_prefix}

make %{?jobs:-j%jobs}


%install
rm -rf %{buildroot}
pushd .
cd libA
scons --prefix=%{_prefix} --libdir=%{_libdir} --install-sandbox=%{buildroot} install
popd
%make_install

%clean
rm -rf %{buildroot}

%post

%postun


%files
%defattr(-,root,root,-)
%{_libdir}/libA.so
%{_libdir}/LibB.so

%files devel
%defattr(-,root,root,-)
%{_includedir}/*
%{_libdir}/pkgconfig/%{name}.pc
%{_libdir}/pkgconfig/libA.pc
           

LibB CMAKELists.txt: 去除安裝libA.so步驟。

CMAKE_MINIMUM_REQUIRED(VERSION 2.6)
PROJECT(libB)

ADD_LIBRARY(${PROJECT_NAME} SHARED src/libB.c)
# 尋找libA.so
FIND_LIBRARY(LibA NAME A PATHS ${CMAKE_SOURCE_DIR}/libA DOC "LibA library")
# 連結libA.so
TARGET_LINK_LIBRARIES(${PROJECT_NAME} ${PKGS_LDFLAGS} ${LibA})
# 安裝libA.so
#INSTALL(FILES ${CMAKE_SOURCE_DIR}/libA/libA.so DESTINATION ${LIBDIR})
# 安裝libB.so
INSTALL(TARGETS ${PROJECT_NAME} DESTINATION ${LIBDIR})
           

2）編譯appC成功。