Error while installing oracle10R2 on RHEL4 ES update 6.

1.Error in invoking target 'install' of makefile '/oracle/product/10g/ctx/lib/ins_ctx.mk'. See '/oracle/product/oraInventory/logs/installActions2006-07-28_12-32-28PM.log' for Details.

2. Error in invoking target 'agent nmo nmb' of makefile '/oracle/product/10g/sysman/lib/ins_sysman.mk'. See '/oracle/product/oraInventory/logs/installActions2006-07-28_12-32-28PM.log' for Details.

3. Error in invoking target 'all_no_orcl' of makefile '/oracle/product/10g/rdbms/lib/ins_rdbms.mk'. See '/oracle/product/oraInventory/logs/installActions2006-07-28_12-32-28PM.log' for Details.

Solution: So try execute
# rpm -qa grep libgcc
# rpm -qa --queryformat "%{NAME}-%{VERSION}.%{RELEASE} (%{ARCH})\n" grep libgcc
Output should be below version and above it
libgcc-3.4.6.9 (i386)
libgcc-3.4.6.9 (x86_64)
compat-libgcc-296-2.96.132.7.2 (i386)
# rpm -qa --queryformat "%{NAME}-%{VERSION}.%{RELEASE} (%{ARCH})\n" grep glibc-devel
Output should be below version and above it
glibc-devel-2.3.4.2.39 (x86_64)
glibc-devel-2.3.4.2.39 (i386)
For Error in invoking target 'agent nmo nmb' of makefile '/oracle/product/10g/sysman/lib/ins_sysman.mk'
# rpm -Uvh glibc-devel-2.3.4-2.13.i386.rpm

For error in invoking target 'all_no_orcl' of makefile '/oracle/product/10g/rdbms/lib/ins_rdbms.mk'.
# rpm -Uvh compat-libstdc++-33-3.2.3-47.3.x86_64.rpm