Remove config macros that are always set. (#16994)

CMakeLists.txt

@@ -2202,10 +2202,6 @@ install(TARGETS netdatacli
 # Generate config file
 #
 
-add_definitions(-DHAVE_CONFIG_H)
-
-set(STORAGE_WITH_MATH On)
-
 if(NOT CMAKE_INSTALL_PREFIX STREQUAL "")
   string(REGEX REPLACE "/$" "" CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
 endif()

config.cmake.h.in

@@ -91,7 +91,6 @@
 #cmakedefine ENABLE_LZ4
 #cmakedefine ENABLE_ZSTD
 #cmakedefine ENABLE_BROTLI
-#cmakedefine STORAGE_WITH_MATH
 
 #cmakedefine ENABLE_LOGSMANAGEMENT
 #cmakedefine ENABLE_LOGSMANAGEMENT_TESTS

src/libnetdata/libnetdata.h

@@ -7,9 +7,7 @@
 extern "C" {
 # endif
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+#include "config.h"
 
 #ifdef ENABLE_OPENSSL
 #define ENABLE_HTTPS 1
@@ -176,10 +174,8 @@ extern "C" {
 #include <sys/sysmacros.h>
 #endif
 
-#ifdef STORAGE_WITH_MATH
 #include <math.h>
 #include <float.h>
-#endif
 
 #if defined(HAVE_INTTYPES_H)
 #include <inttypes.h>

src/libnetdata/storage_number/storage_number.c

@@ -147,13 +147,7 @@ storage_number pack_storage_number(NETDATA_DOUBLE value, SN_FLAGS flags) {
         r += (m << 27); // the divider m
     }
 
-#ifdef STORAGE_WITH_MATH
-    // without this there are rounding problems
-    // example: 0.9 becomes 0.89
     r += lrint((double) n);
-#else
-    r += (storage_number)n;
-#endif
 
     return r;
 }
@@ -174,60 +168,3 @@ __attribute__((constructor)) void initialize_lut(void) {
         unpack_storage_number_lut10x[3 * 8 + i] = pow(100, i);       // exp = 1
     }
 }
-
-/*
-int print_netdata_double(char *str, NETDATA_DOUBLE value)
-{
-    char *wstr = str;
-
-    int sign = (value < 0) ? 1 : 0;
-    if(sign) value = -value;
-
-#ifdef STORAGE_WITH_MATH
-    // without llrintl() there are rounding problems
-    // for example 0.9 becomes 0.89
-    unsigned long long uvalue = (unsigned long long int) llrintl(value * (NETDATA_DOUBLE)100000);
-#else
-    unsigned long long uvalue = value * (NETDATA_DOUBLE)100000;
-#endif
-
-    wstr = print_number_llu_r_smart(str, uvalue);
-
-    // make sure we have 6 bytes at least
-    while((wstr - str) < 6) *wstr++ = '0';
-
-    // put the sign back
-    if(sign) *wstr++ = '-';
-
-    // reverse it
-    char *begin = str, *end = --wstr, aux;
-    while (end > begin) aux = *end, *end-- = *begin, *begin++ = aux;
-    // wstr--;
-    // strreverse(str, wstr);
-
-    // remove trailing zeros
-    int decimal = 5;
-    while(decimal > 0 && *wstr == '0') {
-        *wstr-- = '\0';
-        decimal--;
-    }
-
-    // terminate it, one position to the right
-    // to let space for a dot
-    wstr[2] = '\0';
-
-    // make space for the dot
-    int i;
-    for(i = 0; i < decimal ;i++) {
-        wstr[1] = wstr[0];
-        wstr--;
-    }
-
-    // put the dot
-    if(wstr[2] == '\0') { wstr[1] = '\0'; decimal--; }
-    else wstr[1] = '.';
-
-    // return the buffer length
-    return (int) ((wstr - str) + 2 + decimal );
-}
-*/

tests/profile/benchmark-registry.c

@@ -2,7 +2,7 @@
 
 /*
  * compile with
- *  gcc -O1 -ggdb -Wall -Wextra -I ../src/ -I ../ -o benchmark-registry benchmark-registry.c ../src/dictionary.o ../src/log.o ../src/avl.o ../src/common.o ../src/appconfig.o ../src/web_buffer.o ../src/storage_number.o ../src/rrd.o ../src/health.o -pthread -luuid -lm -DHAVE_CONFIG_H -DVARLIB_DIR="\"/tmp\""
+ *  gcc -O1 -ggdb -Wall -Wextra -I ../src/ -I ../ -o benchmark-registry benchmark-registry.c ../src/dictionary.o ../src/log.o ../src/avl.o ../src/common.o ../src/appconfig.o ../src/web_buffer.o ../src/storage_number.o ../src/rrd.o ../src/health.o -pthread -luuid -lm -DVARLIB_DIR="\"/tmp\""
  */
 
 char *hostname = "me";