Description of problem:
The file
https://github.com/samba-team/samba/blob/master/lib/util/talloc_stack.h
seems to be missing from samba-devel 
leading to FTBFS for FreeIPA:
https://kojipkgs.fedoraproject.org//work/tasks/4059/32904059/build.log

/bin/sh ../../libtool  --tag=CC   --mode=compile gcc -DHAVE_CONFIG_H -I. -I../..  -I. -I../../asn1 -I/usr/include/samba-4.0 -DPREFIX=\""/usr"\" -DBINDIR=\""/usr/bin"\" -DLIBDIR=\""/usr/lib64"\" -DLIBEXECDIR=\""/usr/libexec"\" -DDATADIR=\""/usr/share"\" -DLDAPIDIR=\""/var/run"\" -DHAVE_LDAP -I../../util      -I/usr/include/samba-4.0 -DHAVE_IMMEDIATE_STRUCTURES=1  -I/usr/include/samba-4.0 -D_GNU_SOURCE=1 -DHAVE_IMMEDIATE_STRUCTURES=1    -I/usr/include/nspr4  -I/usr/include/nss3 -I/usr/include/nspr4   -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-align -Werror-implicit-function-declaration  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D__STDC_WANT_LIB_EXT1__=1 -D_DEFAULT_SOURCE=1 -D_POSIX_C_SOURCE=200809L -Werror=implicit-function-declaration -c -o ipa_sam.lo ipa_sam.c
libtool: compile:  gcc -DHAVE_CONFIG_H -I. -I../.. -I. -I../../asn1 -I/usr/include/samba-4.0 -DPREFIX=\"/usr\" -DBINDIR=\"/usr/bin\" -DLIBDIR=\"/usr/lib64\" -DLIBEXECDIR=\"/usr/libexec\" -DDATADIR=\"/usr/share\" -DLDAPIDIR=\"/var/run\" -DHAVE_LDAP -I../../util -I/usr/include/samba-4.0 -DHAVE_IMMEDIATE_STRUCTURES=1 -I/usr/include/samba-4.0 -D_GNU_SOURCE=1 -DHAVE_IMMEDIATE_STRUCTURES=1 -I/usr/include/nspr4 -I/usr/include/nss3 -I/usr/include/nspr4 -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-align -Werror-implicit-function-declaration -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D__STDC_WANT_LIB_EXT1__=1 -D_DEFAULT_SOURCE=1 -D_POSIX_C_SOURCE=200809L -Werror=implicit-function-declaration -c ipa_sam.c  -fPIC -DPIC -o .libs/ipa_sam.o
BUILDSTDERR: ipa_sam.c:22:10: fatal error: util/talloc_stack.h: No such file or directory
BUILDSTDERR:    22 | #include <util/talloc_stack.h>



Version-Release number of selected component (if applicable):
2:4.10.0-0.2.rc2.fc30.1 

How reproducible:
Always

Steps to Reproduce:
1. Rebuild freeipa-4.7.2-4.fc30 or similar

Actual results:
Build fails


Expected results:
Build succeeds