Error while installation of Apache httpd 2.4.2 on AIX OS - apache

Question

We are getting below error while running the make command to build Apache files.
We are carrying out the installation on AIX 6.1 OS.
The installation is completed upto the configuration step as per the procedure given in the below link:
http://httpd.apache.org/docs/2.4/install.html
The error is :
util_pcre.c:48:18: error: pcre.h: No such file or directory
util_pcre.c: In function 'ap_regfree':
util_pcre.c:103: error: 'pcre_free' undeclared (first use in this function)
util_pcre.c:103: error: (Each undeclared identifier is reported only once
util_pcre.c:103: error: for each function it appears in.)
util_pcre.c: In function 'ap_regcomp':
util_pcre.c:129: error: 'PCRE_CASELESS' undeclared (first use in this function)
util_pcre.c:131: error: 'PCRE_MULTILINE' undeclared (first use in this function)
util_pcre.c:133: error: 'PCRE_DOTALL' undeclared (first use in this function)
util_pcre.c:136: warning: implicit declaration of function 'pcre_compile'
util_pcre.c:136: warning: assignment makes pointer from integer without a cast
util_pcre.c:142: warning: implicit declaration of function 'pcre_fullinfo'
util_pcre.c:142: error: expected ')' before 'pcre'
util_pcre.c:142: warning: type defaults to 'int' in declaration of 'type name'
util_pcre.c:143: error: 'PCRE_INFO_CAPTURECOUNT' undeclared (first use in this function)
util_pcre.c: In function 'ap_regexec_len':
util_pcre.c:180: error: 'PCRE_NOTBOL' undeclared (first use in this function)
util_pcre.c:182: error: 'PCRE_NOTEOL' undeclared (first use in this function)
util_pcre.c:198: warning: implicit declaration of function 'pcre_exec'
util_pcre.c:198: error: expected ')' before 'pcre'
util_pcre.c:198: warning: type defaults to 'int' in declaration of 'type name'
util_pcre.c:221: error: 'PCRE_ERROR_NOMATCH' undeclared (first use in this function)
util_pcre.c:223: error: 'PCRE_ERROR_NULL' undeclared (first use in this function)
util_pcre.c:225: error: 'PCRE_ERROR_BADOPTION' undeclared (first use in this function)
util_pcre.c:227: error: 'PCRE_ERROR_BADMAGIC' undeclared (first use in this function)
util_pcre.c:229: error: 'PCRE_ERROR_UNKNOWN_NODE' undeclared (first use in this function)
util_pcre.c:231: error: 'PCRE_ERROR_NOMEMORY' undeclared (first use in this function)
make: 1254-004 The error code from the last command is 1.
Stop.
make: 1254-004 The error code from the last command is 1.
We have also installed the below version GCC compiler for AIX 6.1:-
libgcc-4.2.0-3.aix6.1.ppc.rpm
libstdcplusplus-4.2.0-3.aix6.1.ppc.rpm
libstdcplusplus-devel-4.2.0-3.aix6.1.ppc.rpm
gcc-cplusplus-4.2.0-3.aix6.1.ppc.rpm
Kindly suggest as to what is missing here that is causing the error.