/usr/lib64/libreoffice/sdk/bin/cppumaker
/usr/lib64/libreoffice/sdk/bin/idlc
/usr/lib64/libreoffice/sdk/bin/javamaker
/usr/lib64/libreoffice/sdk/bin/regcompare
/usr/lib64/libreoffice/sdk/bin/ucpp
/usr/lib64/libreoffice/sdk/bin/unoapploader
/usr/lib64/libreoffice/sdk/bin/uno-skeletonmaker
You may install this package on CentOS with
yum
install libreoffice-sdk