* Package:    sci-mathematics/jags-4.2.0
 * Repository: gentoo
 * Maintainer: sci-mathematics@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking JAGS-4.2.0.tar.gz to /var/tmp/portage/sci-mathematics/jags-4.2.0/work
>>> Source unpacked in /var/tmp/portage/sci-mathematics/jags-4.2.0/work
>>> Preparing source in /var/tmp/portage/sci-mathematics/jags-4.2.0/work/JAGS-4.2.0 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/sci-mathematics/jags-4.2.0/work/JAGS-4.2.0 ...
Package blas was not found in the pkg-config search path.
Perhaps you should add the directory containing `blas.pc'
to the PKG_CONFIG_PATH environment variable
Package 'blas', required by 'virtual:world', not found
Package lapack was not found in the pkg-config search path.
Perhaps you should add the directory containing `lapack.pc'
to the PKG_CONFIG_PATH environment variable
Package 'lapack', required by 'virtual:world', not found
 * econf: updating JAGS-4.2.0/config.guess with /usr/share/gnuconfig/config.guess
 * econf: updating JAGS-4.2.0/config.sub with /usr/share/gnuconfig/config.sub
./configure --prefix=/usr --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --mandir=/usr/share/man --infodir=/usr/share/info --datadir=/usr/share --sysconfdir=/etc --localstatedir=/var/lib --disable-dependency-tracking --disable-silent-rules --docdir=/usr/share/doc/jags-4.2.0 --htmldir=/usr/share/doc/jags-4.2.0/html --libdir=/usr/lib64 --with-blas= --with-lapack=
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checking host system type... x86_64-pc-linux-gnu
checking for a BSD-compatible install... /usr/lib/portage/python3.6/ebuild-helpers/xattr/install -c
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checking command to parse /usr/bin/nm -B output from x86_64-pc-linux-gnu-gcc object... ok
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checking whether the x86_64-pc-linux-gnu-gcc linker (/usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64) supports shared libraries... yes
checking whether -lc should be explicitly linked in... no
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checking whether we are using the GNU Fortran 77 compiler... yes
checking whether x86_64-pc-linux-gnu-gfortran accepts -g... yes
checking if libtool supports shared libraries... yes
checking whether to build shared libraries... yes
checking whether to build static libraries... no
checking for x86_64-pc-linux-gnu-gfortran option to produce PIC... -fPIC
checking if x86_64-pc-linux-gnu-gfortran PIC flag -fPIC works... yes
checking if x86_64-pc-linux-gnu-gfortran static flag -static works... yes
checking if x86_64-pc-linux-gnu-gfortran supports -c -o file.o... yes
checking if x86_64-pc-linux-gnu-gfortran supports -c -o file.o... (cached) yes
checking whether the x86_64-pc-linux-gnu-gfortran linker (/usr/x86_64-pc-linux-gnu/bin/ld -m elf_x86_64) supports shared libraries... yes
checking dynamic linker characteristics... (cached) GNU/Linux ld.so
checking how to hardcode library paths into programs... immediate
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checking how to get verbose linking output from x86_64-pc-linux-gnu-gfortran... -v
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checking for dummy main to link with Fortran 77 libraries... none
checking for Fortran 77 name-mangling scheme... lower case, underscore, no extra underscore
checking how to get verbose linking output from x86_64-pc-linux-gnu-gfortran... (cached) -v
checking for Fortran 77 libraries of x86_64-pc-linux-gnu-gfortran... (cached)  -L/usr/lib/gcc/x86_64-pc-linux-gnu/9.1.0 -L/usr/lib/gcc/x86_64-pc-linux-gnu/9.1.0/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64 -L/usr/lib/gcc/x86_64-pc-linux-gnu/9.1.0/../../../../x86_64-pc-linux-gnu/lib -L/usr/lib/gcc/x86_64-pc-linux-gnu/9.1.0/../../.. -ldl -lgfortran -lm -lquadmath
checking if sgemm_ is being linked in already... no
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checking for sgemm_ in -lblas... (cached) no
checking for sgemm_ in -lblas... (cached) no
configure: error: "You need to install the LAPACK library"

!!! Please attach the following file when seeking support:
!!! /var/tmp/portage/sci-mathematics/jags-4.2.0/work/JAGS-4.2.0/config.log
 * ERROR: sci-mathematics/jags-4.2.0::gentoo failed (configure phase):
 *   econf failed
 * 
 * Call stack:
 *               ebuild.sh, line  124:  Called src_configure
 *             environment, line 1961:  Called econf '--with-blas=' '--with-lapack='
 *        phase-helpers.sh, line  718:  Called __helpers_die 'econf failed'
 *   isolated-functions.sh, line  119:  Called die
 * The specific snippet of code:
 *   		die "$@"
 * 
 * If you need support, post the output of `emerge --info '=sci-mathematics/jags-4.2.0::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=sci-mathematics/jags-4.2.0::gentoo'`.
 * The complete build log is located at '/var/log/portage/sci-mathematics:jags-4.2.0:20190629-135255.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/sci-mathematics/jags-4.2.0/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sci-mathematics/jags-4.2.0/temp/environment'.
 * Working directory: '/var/tmp/portage/sci-mathematics/jags-4.2.0/work/JAGS-4.2.0'
 * S: '/var/tmp/portage/sci-mathematics/jags-4.2.0/work/JAGS-4.2.0'