OK here is full list of spec files which have glibc-static in BuildRequires:

./g/gcc.git/gcc.spec:BuildRequires: glibc-static
./g/gdb.git/gdb.spec:BuildRequires: glibc-static%{bits_local}
./g/gdb.git/gdb.spec:# multilib glibc-static is open Bug 488472:
./g/gdb.git/gdb.spec:#BuildRequires: glibc-static%{bits_other}
./g/glibc.git/glibc.spec:# before glibc is built and therefore we need a glibc-static for that
./g/glibc.git/glibc.spec:BuildRequires: glibc-static
./g/glibc.git/glibc.spec:The glibc-static package contains the C library static libraries
./g/glibc.git/glibc.spec:- Require glibc-static for C++ tests.
./g/glibc.git/glibc.spec:- Require gcc-c++, libstdc++-static, and glibc-static only when needed.
./g/golang.git/golang.spec:BuildRequires:  pcre-devel, glibc-static, perl
./g/grub2.git/grub2.spec:BuildRequires:  /usr/lib64/crt1.o glibc-static
./g/grub2.git/grub2.spec:BuildRequires:  /usr/lib/crt1.o glibc-static
./b/binutils.git/binutils.spec:BuildRequires: dejagnu, zlib-static, glibc-static, sharutils, bc
./b/binutils.git/binutils.spec:- Add glibc-static to BuildRequires when running the testsuite.
./b/busybox.git/busybox.spec:BuildRequires: glibc-static
./c/cadvisor.git/cadvisor.spec:BuildRequires: glibc-static
./c/chkrootkit.git/chkrootkit.spec:BuildRequires:  glibc-static
./c/chkrootkit.git/chkrootkit.spec:- Fedora > 10: conditional BR glibc-static as needed for strings-static
./c/compat-gcc-296.git/compat-gcc-296.spec:BuildRequires: glibc-devel >= 2.2.90-12, glibc-static
./c/compat-gcc-32.git/compat-gcc-32.spec:BuildRequires: glibc-devel >= 2.2.90-12, glibc-static
./c/cscppc.git/cscppc.spec:BuildRequires: glibc-static
./c/cswrap.git/cswrap.spec:BuildRequires: glibc-static
./d/docker.git/docker.spec:BuildRequires: glibc-static
./d/docker-latest.git/docker-latest.spec:BuildRequires: glibc-static
./d/dyninst.git/dyninst.spec:BuildRequires: gcc-gfortran glibc-static libstdc++-static nasm
./d/dyninst.git/dyninst.spec:Requires: glibc-static
./e/efivar.git/efivar.spec:BuildRequires:  popt-devel popt-static git glibc-static libabigail
./k/kexec-tools.git/kexec-tools.spec:- Add BR glibc-static
./l/libguestfs.git/libguestfs.spec:BuildRequires: glibc-static
./l/libguestfs.git/libguestfs.spec:- BRs glibc-static for the new command tests.
./l/libhugetlbfs.git/libhugetlbfs.spec:BuildRequires: glibc-static
./l/libibmad.git/libibmad.spec:BuildRequires: glibc-static
./l/libibumad.git/libibumad.spec:BuildRequires: glibc-static
./l/libibumad.git/libibumad.spec:- Add build requires on glibc-static
./l/libvirt-sandbox.git/libvirt-sandbox.spec:BuildRequires: glibc-static
./m/mash.git/mash.spec:- allow glibc-static as a devel package
./m/mdadm.git/mdadm.spec:- Remove the glibc-static buildreq and don't build the static mdadm since
./n/nacl-arm-binutils.git/nacl-arm-binutils.spec:BuildRequires: dejagnu, zlib-static, glibc-static, sharutils
./n/nacl-binutils.git/nacl-binutils.spec:BuildRequires: dejagnu, zlib-static, glibc-static, sharutils
./o/ocid.git/ocid.spec:BuildRequires:  glibc-static
./o/ORBit.git/ORBit.spec:BuildRequires:		glibc-static
./o/ORBit.git/ORBit.spec:- BR: glibc-static for EL-6 onwards
./o/ORBit.git/ORBit.spec:- Buildreq glibc-static for test code in bundled popt library (F-11 onwards)
./q/qemu-sanity-check.git/qemu-sanity-check.spec:BuildRequires:   glibc-static
./q/qemu.git/qemu.spec:BuildRequires: glibc-static pcre-static glib2-static zlib-static
./r/redhat-lsb.git/redhat-lsb.spec:BuildRequires: glibc-static
./r/rkt.git/rkt.spec:BuildRequires: glibc-static
./s/scantailor.git/scantailor.spec:BuildRequires:  glibc-static
./s/supermin.git/supermin.spec:# To use glibc-static instead, do ``--without dietlibc''.  This
./s/supermin.git/supermin.spec:BuildRequires: glibc-static
./s/supermin.git/supermin.spec:- Enable dietlibc, remove glibc-static, xz-static, zlib-static.
./s/supermin.git/supermin.spec:- New BRs on mke2fs, libext2fs, glibc-static.

Looking on this list without looking deeper into the packages it is easy to figure out that almost half of the glibc-static using cases are related to test suits.

BTW I found current Fedora guidelines about static linking and static libraries and they are already forming set of rules which are recommending what I've wrote here https://fedoraproject.org/wiki/Packaging:Guidelines#Packaging_Static_Libraries 
In other words such subject has been discussed already and I'm not the only one who is thinking that cutting to absolute minimum using static linking and provide static libraries is right direction and/or thinking that Fedora already provides some env to produce statically linked binaries is more or less only kind of wrong impression.

And yet another grep output (this time a bit longer) which shows which packages are using other packages static libraries:

./g/gcc.git/gcc.spec:BuildRequires: glibc-static
./g/gcl.git/gcl.spec:BuildRequires:  binutils-static
./g/gdal.git/gdal.spec:BuildRequires:	g2clib-static
./g/gdal.git/gdal.spec:BuildRequires:	hdf-static
./g/gdb.git/gdb.spec:BuildRequires: glibc-static%{bits_local}
./g/gdl.git/gdl.spec:BuildRequires:  fftw-devel, hdf-static
./g/gdl.git/gdl.spec:BuildRequires:  grib_api-static
./g/gdl.git/gdl.spec:BuildRequires:  eigen3-static
./g/ghdl.git/ghdl.spec:BuildRequires: llvm-static
./g/glabels.git/glabels.spec:BuildRequires:	barcode-static
./g/glibc.git/glibc.spec:BuildRequires: libstdc++-static
./g/glibc.git/glibc.spec:BuildRequires: glibc-static
./g/gob2.git/gob2.spec:BuildRequires: flex-static
./g/golang.git/golang.spec:BuildRequires:  pcre-devel, glibc-static, perl
./g/gprbuild.git/gprbuild.spec:BuildRequires:  xmlada-static gprbuild
./g/gprbuild.git/gprbuild.spec:BuildRequires:  libgnat-static >= 6.1
./g/grads.git/grads.spec:BuildRequires:  hdf-static hdf-devel hdf5-devel netcdf-devel
./g/grads.git/grads.spec:BuildRequires:  g2clib-static g2clib-devel
./g/greenisland.git/greenisland.spec:BuildRequires:  qt5-qtbase-static >= 5.5.0
./g/grub2.git/grub2.spec:BuildRequires:  /usr/lib64/crt1.o glibc-static
./g/grub2.git/grub2.spec:BuildRequires:  /usr/lib/crt1.o glibc-static
./a/appmenu-qt5.git/appmenu-qt5.spec:BuildRequires:	qt5-qtbase-static
./a/ardour5.git/ardour5.spec:BuildRequires:  qm-dsp-static
./a/at.git/at.spec:BuildRequires: flex flex-static bison autoconf
./a/atlas.git/atlas.spec:BuildRequires:  gcc-gfortran, lapack-static
./a/avarice.git/avarice.spec:BuildRequires:  binutils-static, libusb-devel
./b/b43-tools.git/b43-tools.spec:BuildRequires:	flex flex-static
./b/bcc.git/bcc.spec:BuildRequires:	elfutils-libelf-devel-static
./b/bcc.git/bcc.spec:BuildRequires:	llvm-devel llvm-static clang-devel
./b/bes.git/bes.spec:BuildRequires:  hdf-static
./b/binutils.git/binutils.spec:BuildRequires: dejagnu, zlib-static, glibc-static, sharutils, bc
./b/binutils.git/binutils.spec:BuildRequires: libstdc++-static
./b/bsd-games.git/bsd-games.spec:BuildRequires: ncurses-devel words flex flex-static bison
./b/busybox.git/busybox.spec:BuildRequires: libselinux-static
./b/busybox.git/busybox.spec:BuildRequires: libsepol-static
./b/busybox.git/busybox.spec:BuildRequires: glibc-static
./b/busybox.git/busybox.spec:BuildRequires: uClibc-static
./c/cadvisor.git/cadvisor.spec:BuildRequires: glibc-static
./c/calibre.git/calibre.spec:BuildRequires:  qt5-qtbase-static
./c/castxml.git/castxml.spec:BuildRequires:	llvm-static >= 3.6.0
./c/ceres-solver.git/ceres-solver.spec:BuildRequires:  eigen3-static >= 3.2.1
./c/check-mk.git/check-mk.spec:BuildRequires: libstdc++-static
./c/checkpolicy.git/checkpolicy.spec:BuildRequires: byacc bison flex flex-static libsepol-static >= %{libsepolver} libselinux-devel  >= %{libselinuxver} 
./c/chkrootkit.git/chkrootkit.spec:BuildRequires:  glibc-static
./c/clang.git/clang.spec:BuildRequires:  llvm-static = %{version}
./c/collectd.git/collectd.spec:BuildRequires: iproute-static, libmnl-devel
./c/compat-gcc-296.git/compat-gcc-296.spec:BuildRequires: glibc-devel >= 2.2.90-12, glibc-static
./c/compat-gcc-32.git/compat-gcc-32.spec:BuildRequires: glibc-devel >= 2.2.90-12, glibc-static
./c/compiler-rt.git/compiler-rt.spec:BuildRequires:  llvm-static = %{version}
./c/COPASI.git/COPASI.spec:BuildRequires: libkdeedu-static
./c/cscppc.git/cscppc.spec:BuildRequires: glibc-static
./c/csound.git/csound.spec:BuildRequires: eigen3-static
./c/cswrap.git/cswrap.spec:BuildRequires: glibc-static
./d/detox.git/detox.spec:BuildRequires:	flex flex-static
./d/docker.git/docker.spec:BuildRequires: glibc-static
./d/docker.git/docker.spec:BuildRequires: libseccomp-static >= 2.3.0
./d/docker-latest.git/docker-latest.spec:BuildRequires: glibc-static
./d/docker-latest.git/docker-latest.spec:BuildRequires: libseccomp-static >= 2.3.0
./d/dropwatch.git/dropwatch.spec:BuildRequires: binutils-devel, binutils-static libnl3-devel pkgconfig
./d/dx.git/dx.spec:BuildRequires: hdf-static, hdf-devel
./d/dyninst.git/dyninst.spec:BuildRequires: gcc-gfortran glibc-static libstdc++-static nasm
./e/ecl.git/ecl.spec:BuildRequires:  libatomic_ops-static
./e/efivar.git/efivar.spec:BuildRequires:  popt-devel popt-static git glibc-static libabigail
./e/esc.git/esc.spec:BuildRequires: nspr-devel nss-devel nss-static
./f/fifechan.git/fifechan.spec:BuildRequires:  SDL2-static
./f/firebird.git/firebird.spec:BuildRequires:  libstdc++-static
./f/firefox.git/firefox.spec:BuildRequires:  nss-static >= %{nss_version}
./f/fldigi.git/fldigi.spec:BuildRequires:  fltk-static libXcursor-devel
./f/fped.git/fped.spec:BuildRequires:  flex-static
./i/icecat.git/icecat.spec:BuildRequires:  nss-devel, nss-static
./i/indi-aagcloudwatcher.git/indi-aagcloudwatcher.spec:BuildRequires:  libindi-static
./i/indi-apogee.git/indi-apogee.spec:BuildRequires: libindi-static libindi-devel libapogee-devel libnova-devel
./i/indi-eqmod.git/indi-eqmod.spec:BuildRequires:	libindi-static
./i/indi-gphoto.git/indi-gphoto.spec:BuildRequires:	libindi-static
./i/indi-sx.git/indi-sx.spec:BuildRequires:  libindi-static
./i/ipsec-tools.git/ipsec-tools.spec:BuildRequires: openssl-devel, krb5-devel, bison, flex, flex-static
./i/iscsi-initiator-utils.git/iscsi-initiator-utils.spec:BuildRequires: isns-utils-static isns-utils-devel
./i/iwyu.git/iwyu.spec:BuildRequires:  llvm-static
./j/jhdf5.git/jhdf5.spec:BuildRequires:  hdf-static
./j/js-jquery1.git/js-jquery1.spec:BuildRequires:  js-sizzle-static
./j/js-jquery.git/js-jquery.spec:BuildRequires:  js-sizzle-static
./k/kde-dev-utils.git/kde-dev-utils.spec:BuildRequires:  binutils-devel binutils-static
./k/kdepim3.git/kdepim3.spec:BuildRequires: bison flex flex-static
./k/kexec-tools.git/kexec-tools.spec:BuildRequires: zlib-devel zlib zlib-static elfutils-devel-static glib2-devel bzip2-devel ncurses-devel bison flex lzo-devel snappy-devel
./k/kf5-kdesignerplugin.git/kf5-kdesignerplugin.spec:BuildRequires:  qt5-qttools-static
./k/kf5-kholidays.git/kf5-kholidays.spec:BuildRequires:  qt5-qttools-static
./k/kf5-kjsembed.git/kf5-kjsembed.spec:BuildRequires:  qt5-qttools-static
./k/kf5-kross.git/kf5-kross.spec:BuildRequires:  qt5-qttools-static
./k/kf5-kwidgetsaddons.git/kf5-kwidgetsaddons.spec:BuildRequires:  qt5-qttools-static
./k/kstars.git/kstars.spec:BuildRequires: pkgconfig(libindi) >= 1.3.1, libindi-static
./k/kwin.git/kwin.spec:BuildRequires:  qt5-qtbase-static
./k/kwin.git/kwin.spec:BuildRequires:  qt5-qttools-static
./l/latrace.git/latrace.spec:BuildRequires:  autoconf bison asciidoc xmlto binutils-devel binutils-static
./l/ldc.git/ldc.spec:BuildRequires:  llvm-static
./l/libguestfs.git/libguestfs.spec:BuildRequires: glibc-static
./l/libhugetlbfs.git/libhugetlbfs.spec:BuildRequires: glibc-static
./l/libibmad.git/libibmad.spec:BuildRequires: glibc-static
./l/libibumad.git/libibumad.spec:BuildRequires: glibc-static
./l/libkgapi.git/libkgapi.spec:BuildRequires:  qt5-qttools-static
./l/libmatheval.git/libmatheval.spec:BuildRequires:  gcc-gfortran, compat-guile18-devel, bison, flex, flex-static, texinfo
./l/libopensync-plugin-synce.git/libopensync-plugin-synce.spec:BuildRequires:  libmimedir-devel libmimedir-static
./l/libosmium.git/libosmium.spec:BuildRequires:  protozero-static
./l/libosmium.git/libosmium.spec:BuildRequires:  gdalcpp-static
./l/libosmium.git/libosmium.spec:BuildRequires:  utf8cpp-static
./l/librra.git/librra.spec:BuildRequires:  libmimedir-devel libmimedir-static
./l/libselinux.git/libselinux.spec:BuildRequires: python python-devel ruby-devel ruby libsepol-static >= %{libsepolver} swig pcre-devel xz-devel
./l/libtpms.git/libtpms.spec:BuildRequires:  nss-softokn-freebl-static >= 3.12.9-2
./l/libvirt-sandbox.git/libvirt-sandbox.spec:BuildRequires: glibc-static
./l/libvirt-sandbox.git/libvirt-sandbox.spec:BuildRequires: xz-devel >= 5.0.0, xz-static
./l/libvirt-sandbox.git/libvirt-sandbox.spec:BuildRequires: zlib-devel >= 1.2.0, zlib-static
./l/linux-atm.git/linux-atm.spec:BuildRequires: byacc automake libtool flex flex-static
./l/linuxdoc-tools.git/linuxdoc-tools.spec:BuildRequires: flex flex-static sgml-common jade gawk groff autoconf texinfo
./l/lldb.git/lldb.spec:BuildRequires:  llvm-static = %{version}
./l/llvm.git/llvm.spec:BuildRequires:  libstdc++-static
./l/llvm3.9.git/llvm3.9.spec:BuildRequires:	libstdc++-static
./l/lv2-EQ10Q-plugins.git/lv2-EQ10Q-plugins.spec:BuildRequires:  lv2-c++-tools-static
./l/lv2-ll-plugins.git/lv2-ll-plugins.spec:BuildRequires:	lv2-c++-tools-static
./l/lv2-mdaEPiano.git/lv2-mdaEPiano.spec:BuildRequires:  lv2-c++-tools-static
./m/Macaulay2.git/Macaulay2.spec:BuildRequires: cddlib-devel cddlib-static
./m/Macaulay2.git/Macaulay2.spec:BuildRequires: factory-static factory-devel >= 3.1.6
./m/Macaulay2.git/Macaulay2.spec:BuildRequires: libfac-static libfac-devel >= 3.1.6
./m/mcstrans.git/mcstrans.spec:BuildRequires: libcap-devel pcre-devel libsepol-devel libsepol-static
./m/mesa.git/mesa.spec:BuildRequires: libstdc++-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw32-dbus-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw32-libjpeg-turbo-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw32-libtiff-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw32-libpng-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw32-sqlite-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw32-zlib-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw32-winpthreads-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw64-dbus-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw64-libjpeg-turbo-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw64-libtiff-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw64-libpng-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw64-sqlite-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw64-zlib-static
./m/mingw-qt.git/mingw-qt.spec:BuildRequires:  mingw64-winpthreads-static
./m/mingw-qt5-qt3d.git/mingw-qt5-qt3d.spec:BuildRequires:  mingw32-qt5-qtbase-static
./m/mingw-qt5-qt3d.git/mingw-qt5-qt3d.spec:BuildRequires:  mingw64-qt5-qtbase-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw32-dbus-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw32-harfbuzz-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw32-pcre-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw32-sqlite-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw32-winpthreads-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw64-dbus-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw64-harfbuzz-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw64-pcre-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw64-sqlite-static
./m/mingw-qt5-qtbase.git/mingw-qt5-qtbase.spec:BuildRequires:  mingw64-winpthreads-static
./m/mingw-qt5-qtdeclarative.git/mingw-qt5-qtdeclarative.spec:BuildRequires:  mingw32-qt5-qtbase-static
./m/mingw-qt5-qtdeclarative.git/mingw-qt5-qtdeclarative.spec:BuildRequires:  mingw64-qt5-qtbase-static
./m/mingw-wine-gecko.git/mingw-wine-gecko.spec:BuildRequires:  mingw64-winpthreads-static
./m/mingw-wine-gecko.git/mingw-wine-gecko.spec:BuildRequires:  mingw32-winpthreads-static
./m/mod_revocator.git/mod_revocator.spec:BuildRequires: nss-pkcs11-devel-static
./m/motif.git/motif.spec:BuildRequires: flex-static
./m/mrpt.git/mrpt.spec:BuildRequires: eigen3-static
./m/mscore.git/mscore.spec:BuildRequires: qt5-qttools-static
./m/mutrace.git/mutrace.spec:BuildRequires:  binutils-static
./n/nacl-arm-binutils.git/nacl-arm-binutils.spec:BuildRequires: dejagnu, zlib-static, glibc-static, sharutils
./n/nacl-binutils.git/nacl-binutils.spec:BuildRequires: dejagnu, zlib-static, glibc-static, sharutils
./n/nagi.git/nagi.spec:BuildRequires: docbook-utils, SDL-devel, SDL-static
./n/ncl.git/ncl.spec:BuildRequires:  hdf-static, hdf-devel >= 4.2r2
./n/ncl.git/ncl.spec:BuildRequires:  g2clib-static
./n/ncl.git/ncl.spec:BuildRequires:  flex-static
./n/nemiver.git/nemiver.spec:BuildRequires:	boost-static
./n/netcdf.git/netcdf.spec:BuildRequires:  hdf-static
./n/nethack-vultures.git/nethack-vultures.spec:BuildRequires:  SDL-static
./n/nodejs-connect.git/nodejs-connect.spec:BuildRequires:  npm(serve-static)
./n/nodejs-grunt-contrib-connect.git/nodejs-grunt-contrib-connect.spec:BuildRequires:      npm(serve-static)
./n/nodejs-mapnik.git/nodejs-mapnik.spec:BuildRequires:  mapnik-static >= 3.0.12
./n/nodejs-mapnik-vector-tile.git/nodejs-mapnik-vector-tile.spec:BuildRequires:  mapnik-static >= 3.0.12
./o/ocid.git/ocid.spec:BuildRequires:  glibc-static
./o/ocid.git/ocid.spec:BuildRequires:  libseccomp-static
./o/openblas.git/openblas.spec:BuildRequires:  lapack-static%{?_isa}
./o/openblas.git/openblas.spec:BuildRequires:  lapack64-static
./o/openlierox.git/openlierox.spec:BuildRequires:  binutils-static
./o/opentracker.git/opentracker.spec:BuildRequires:    libowfat-static
./o/oprofile.git/oprofile.spec:BuildRequires: binutils-static
./o/ORBit.git/ORBit.spec:BuildRequires:		glibc-static
./o/orsa.git/orsa.spec:BuildRequires:	mpich-devel-static
./o/osmium-tool.git/osmium-tool.spec:BuildRequires:  libosmium-static >= %{libosmium_version}
./o/osmium-tool.git/osmium-tool.spec:BuildRequires:  rapidjson-static >= %{rapidjson_version}
./p/papi.git/papi.spec:BuildRequires: libpfm-static >= 4.6.0-1
./p/pcl.git/pcl.spec:BuildRequires:  eigen3-static, flann-devel, cminpack-devel, vtk-devel, gl2ps-devel, hdf5-devel, python-devel, libxml2-devel, netcdf-cxx-devel, jsoncpp-devel, metslib-static
./p/percolator.git/percolator.spec:BuildRequires: boost148-static, boost148-devel
./p/percolator.git/percolator.spec:BuildRequires: boost-static, boost-devel
./p/perl-CBOR-XS.git/perl-CBOR-XS.spec:BuildRequires:  libecb-static
./p/perl-Compress-LZF.git/perl-Compress-LZF.spec:BuildRequires:  perlmulticore-static
./p/perl-Coro.git/perl-Coro.spec:BuildRequires:  libecb-static
./p/perl-PDL.git/perl-PDL.spec:BuildRequires:  hdf-static hdf-devel
./p/plasma-integration.git/plasma-integration.spec:BuildRequires:  qt5-qtbase-static
./p/plasma-nm.git/plasma-nm.spec:BuildRequires:  qt5-qttools-static
./p/policycoreutils.git/policycoreutils.spec:BuildRequires:	pam-devel libcgroup-devel libsepol-static >= %{libsepolver} libsemanage-static >= %{libsemanagever} libselinux-devel >= %{libselinuxver}  libcap-devel audit-libs-devel >=  %{libauditver} gettext
./p/polymake.git/polymake.spec:BuildRequires:  eigen3-static
./p/ppl.git/ppl.spec:BuildRequires:	pl >= 5.10.2-3, pl-devel >= 5.10.2-3, pl-static >= 5.10.2-3
./p/psi4.git/psi4.spec:BuildRequires:  pybind11-static
./p/pulseaudio.git/pulseaudio.spec:BuildRequires:  libatomic_ops-static, libatomic_ops-devel
./p/pygrib.git/pygrib.spec:BuildRequires: g2clib-static
./p/python-mapnik.git/python-mapnik.spec:BuildRequires:  mapnik-devel mapnik-static mapnik-utils
./p/pyosmium.git/pyosmium.spec:BuildRequires:  libosmium-static >= %{libosmium_version}
./p/python-assimulo.git/python-assimulo.spec:BuildRequires: blas-static, numpy-f2py, scipy, dos2unix, xorg-x11-server-Xvfb
./p/python-assimulo.git/python-assimulo.spec:BuildRequires: blas-static, python3-numpy-f2py, python3-ipython-console, python3-scipy
./p/pythonqt.git/pythonqt.spec:BuildRequires:  qt5-qttools-static
./q/qcad.git/qcad.spec:BuildRequires: qt5-qttools-devel, qt5-qttools-static
./q/qemu-sanity-check.git/qemu-sanity-check.spec:BuildRequires:   glibc-static
./q/qgnomeplatform.git/qgnomeplatform.spec:BuildRequires:  qt5-qtbase-static
./q/qm-dsp.git/qm-dsp.spec:BuildRequires:  kiss-fft-static
./q/qm-vamp-plugins.git/qm-vamp-plugins.spec:BuildRequires:  kiss-fft-static
./q/qm-vamp-plugins.git/qm-vamp-plugins.spec:BuildRequires:  qm-dsp-static
./q/qt5ct.git/qt5ct.spec:BuildRequires:  qt5-qtbase-static
./q/qt5-qt3d.git/qt5-qt3d.spec:BuildRequires:  qt5-qtbase-static >= %{version}
./q/qt5-qtcanvas3d.git/qt5-qtcanvas3d.spec:BuildRequires:  qt5-qtbase-static
./q/qt5-qtgamepad.git/qt5-qtgamepad.spec:BuildRequires: qt5-qtbase-static >= %{version}
./q/qt5-qtquickcontrols.git/qt5-qtquickcontrols.spec:BuildRequires:  qt5-qtbase-static >= %{version}
./q/qt5-qtscript.git/qt5-qtscript.spec:BuildRequires: qt5-qttools-static >= %{version}
./q/qt5-qtstyleplugins.git/qt5-qtstyleplugins.spec:BuildRequires: qt5-qtbase-static
./q/qt5-qttools.git/qt5-qttools.spec:BuildRequires: qt5-qtbase-static >= %{version}
./q/qt5-qttools.git/qt5-qttools.spec:BuildRequires: qt5-qtdeclarative-static >= %{version}
./q/qt5-qtwayland.git/qt5-qtwayland.spec:BuildRequires:  qt5-qtbase-static
./q/qt5-qtwebengine.git/qt5-qtwebengine.spec:BuildRequires: qt5-qttools-static >= %{version}
./q/qemu.git/qemu.spec:BuildRequires: glibc-static pcre-static glib2-static zlib-static
./r/radvd.git/radvd.spec:BuildRequires: flex-static
./r/redhat-lsb.git/redhat-lsb.spec:BuildRequires: glibc-static
./r/rhdb-utils.git/rhdb-utils.spec:BuildRequires: postgresql-devel, postgresql-static
./r/rkt.git/rkt.spec:BuildRequires: glibc-static
./r/rust.git/rust.spec:BuildRequires:  llvm-static
./s/saga.git/saga.spec:BuildRequires: e00compr-static
./s/scalapack.git/scalapack.spec:BuildRequires: mpich-devel-static
./s/scantailor.git/scantailor.spec:BuildRequires:  glibc-static
./s/SDL2_gfx.git/SDL2_gfx.spec:BuildRequires: SDL2-static
./s/secilc.git/secilc.spec:BuildRequires:  libsepol-static >= %{libsepolver}, dblatex, flex, xmlto, pandoc
./s/seqan.git/seqan.spec:BuildRequires: libstdc++-static
./s/setools.git/setools.spec:BuildRequires:  libsepol-devel >= %{sepol_ver}, libsepol-static >= %{sepol_ver}
./s/sim.git/sim.spec:BuildRequires:	flex-static
./s/simon.git/simon.spec:BuildRequires: flex flex-static
./s/snappy-java.git/snappy-java.spec:BuildRequires:    libstdc++-static
./s/splint.git/splint.spec:BuildRequires:		flex flex-static
./s/subsurface.git/subsurface.spec:BuildRequires:  libdivecomputer-subsurface-static
./s/supermin.git/supermin.spec:BuildRequires: glibc-static
./s/surf-geometry.git/surf-geometry.spec:BuildRequires:	flex-static
./s/sympol.git/sympol.spec:BuildRequires:  eigen3-static
./t/tcpxtract.git/tcpxtract.spec:BuildRequires:  flex-static
./t/texstudio.git/texstudio.spec:BuildRequires:  qt5-qttools-static
./t/thrift.git/thrift.spec:BuildRequires: boost-static
./t/thunderbird.git/thunderbird.spec:BuildRequires:  nss-static >= %{nss_version}
./u/urdfdom.git/urdfdom.spec:BuildRequires:	urdfdom-headers-static
./u/usbguard.git/usbguard.spec:BuildRequires: PEGTL-static
./u/ustl.git/ustl.spec:BuildRequires:  libstdc++-static
./w/wgrib2.git/wgrib2.spec:BuildRequires:  g2clib-static
./w/widelands.git/widelands.spec:BuildRequires: boost-static >= 1.47.0
./w/wine-mono.git/wine-mono.spec:BuildRequires:  mingw64-winpthreads-static
./w/wine-mono.git/wine-mono.spec:BuildRequires:  mingw32-winpthreads-static
./x/x2goclient.git/x2goclient.spec:BuildRequires:  qtbrowserplugin-static
./x/xmlindent.git/xmlindent.spec:BuildRequires: flex flex-static
./x/xulrunner.git/xulrunner.spec:BuildRequires:  nss-static >= %{nss_version}
./z/zathura-pdf-mupdf.git/zathura-pdf-mupdf.spec:BuildRequires:    mujs-static
I'm almost sure that linking against static postgresql client libraries is wrong and after careful review above will be possible to remove building and packaging man static subpackages.
Other conclusion is that above grep output is way to shot comare with those +190 -static subpackages so definitely something like 2/3 of those subpackages can be removed without any risk. 
On above suspiciously is looking for example bison and flex.

Any other comments?

kloczek
-- 
Tomasz Kłoczko | LinkedIn: http://lnkd.in/FXPWxH