tce-load -i compiletc automake libtool-dev intltool gettext-dev libexif-dev libusb-dev

cd libgphoto2-libgphoto2-2_5_19-release

autoreconf --install

CC="gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe" CXX="g++ -flto -fuse-linker-plugin -mtune=generic -Os -pipe -fno-exceptions -fno-rtti"  ./configure --prefix=/usr/local --disable-static --localstatedir=/var

find . -name Makefile -type f -exec sed -i 's/-g -O2//g' {} \;

make [1m 1.55s]
sudo make install

Configuration (libgphoto2_port 0.12.0):

  Build
    Source directory:              .
    Compiler:                      gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe
    libltdl includes:              
    libltdl library:               -lltdl
    Use translations:              yes
    libexif:                       yes

  Serial ports
    Serial support:                yes
    ttylock locking:               no
    lockdev locking:               no

  USB ports
    libusb-1.0:                    yes
    libusb:                        no
    virtual USB support:           disabled, no virtual PTP test camera

  General
    IOLIBs:                        disk ptpip serial usb1 usbdiskdirect usbscsi

  Documentation
    build API docs with gtk-doc:   no (not requested)

You may run "make" and "make install" now.

Configuration (libgphoto2 2.5.19):

  Build
    Source code location:          .
    GP2DDB support:                no  (EXPERIMENTAL)
    Compiler:                      gcc -flto -fuse-linker-plugin -mtune=generic -Os -pipe
    libltdl includes:              
    libltdl library:               -lltdl

  Features
    Use translations:              yes
    JPEG mangling support:         no
    libxml-2.0:                    yes
    XML support for Olympus E s..: yes
    gdlib:                         no
    libGD conversion support:      no
    Camlibs:                       all
    build API docs with gtk-doc:   no (not requested)
    libexif:                       yes

    Subprojects:                   libgphoto2_port