diff --git a/acinclude.m4 b/acinclude.m4 index 05739f11..4db7a360 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -149,6 +149,57 @@ AC_DEFUN([CURL_CHECK_HEADER_WS2TCPIP], [ ]) +dnl CURL_CHECK_HEADER_MALLOC +dnl ------------------------------------------------- +dnl Check for compilable and valid malloc.h header, +dnl and check if it is needed even with stdlib.h + +AC_DEFUN([CURL_CHECK_HEADER_MALLOC], [ + AC_CACHE_CHECK([for malloc.h], [ac_cv_header_malloc_h], [ + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([ +#include + ],[ + void *p = malloc(10); + void *q = calloc(10,10); + free(p); + free(q); + ]) + ],[ + ac_cv_header_malloc_h="yes" + ],[ + ac_cv_header_malloc_h="no" + ]) + ]) + if test "$ac_cv_header_malloc_h" = "yes"; then + AC_DEFINE_UNQUOTED(HAVE_MALLOC_H, 1, + [Define to 1 if you have the malloc.h header file.]) + # + AC_COMPILE_IFELSE([ + AC_LANG_PROGRAM([ +#include + ],[ + void *p = malloc(10); + void *q = calloc(10,10); + free(p); + free(q); + ]) + ],[ + curl_cv_need_header_malloc_h="no" + ],[ + curl_cv_need_header_malloc_h="yes" + ]) + # + case "$curl_cv_need_header_malloc_h" in + yes) + AC_DEFINE_UNQUOTED(NEED_MALLOC_H, 1, + [Define to 1 if you need the malloc.h header file.]) + ;; + esac + fi +]) + + dnl CURL_CHECK_TYPE_SOCKLEN_T dnl ------------------------------------------------- dnl Check for existing socklen_t type, and provide diff --git a/configure.ac b/configure.ac index a59e701c..b331c336 100644 --- a/configure.ac +++ b/configure.ac @@ -96,6 +96,8 @@ CURL_CHECK_HEADER_WINSOCK CURL_CHECK_HEADER_WINSOCK2 CURL_CHECK_HEADER_WS2TCPIP +CURL_CHECK_HEADER_MALLOC + dnl check for a few basic system headers we need AC_CHECK_HEADERS( sys/types.h \