*** ./Makefile.ORIG	Wed May 29 14:57:17 2019
--- ./Makefile	Wed May 29 14:57:44 2019
***************
*** 31,37 ****
  TARFILE = $(TARNAME)-src.tar.bz2
  PKGCONFIG = imagequant.pc
  
! all: static shared
  
  static: $(STATICLIB)
  
--- 31,37 ----
  TARFILE = $(TARNAME)-src.tar.bz2
  PKGCONFIG = imagequant.pc
  
! all: static
  
  static: $(STATICLIB)
  
*** ./configure.ORIG	Wed May 29 15:02:01 2019
--- ./configure	Wed May 29 15:23:18 2019
***************
*** 142,163 ****
      echo
  fi
  
- echo > pngquant-gcccheck.c "int main(){}"
- if ! "$CC" -std=c99 -o pngquant-gcccheck pngquant-gcccheck.c; then
-     rm -f pngquant-gcccheck pngquant-gcccheck.c
-     error "Compiler" "$CC failed to compile anything (make sure it's installed and supports C99)"
- fi
- rm -f pngquant-gcccheck pngquant-gcccheck.c
- 
  status "Compiler" "$CC"
  
  # init flags
! CFLAGS=${CFLAGS:--fno-math-errno -funroll-loops -fomit-frame-pointer -Wall}
! cflags "-std=c99 -I."
  
  # DEBUG
  if [ -z "$DEBUG" ]; then
!     cflags "-O3 -DNDEBUG"
      status "Debug" "no"
  else
      cflags "-O1 -g"
--- 142,156 ----
      echo
  fi
  
  status "Compiler" "$CC"
  
  # init flags
! CFLAGS=""
! cflags "-I."
  
  # DEBUG
  if [ -z "$DEBUG" ]; then
!     cflags "-O3 -qstrict -DNDEBUG"
      status "Debug" "no"
  else
      cflags "-O1 -g"
***************
*** 206,212 ****
      fi
  else
      # silence warnings about omp pragmas
-     cflags "-Wno-unknown-pragmas"
      conditional_cflags "-wd3180" # ICC
      status "OpenMP" "no"
  fi
--- 199,204 ----
***************
*** 237,243 ****
  
  # As of GCC 4.5, 387 fp math is significantly slower in C99 mode without this.
  # Note: CPUs without SSE2 use 387 for doubles, even when SSE fp math is set.
! conditional_cflags "-fexcess-precision=fast"
  
  # Intel C++ Compiler
  
--- 229,235 ----
  
  # As of GCC 4.5, 387 fp math is significantly slower in C99 mode without this.
  # Note: CPUs without SSE2 use 387 for doubles, even when SSE fp math is set.
! #conditional_cflags "-fexcess-precision=fast"
  
  # Intel C++ Compiler
  
***************
*** 246,255 ****
  conditional_cflags "-xHOST"
  
  # Disable unsafe fp optimizations and enforce fp precision as set in the source.
! conditional_cflags "-fp-model source"
  
  # Silence a gold linker warning about string misalignment.
! conditional_cflags "-falign-stack=maintain-16-byte"
  
  lflags "-lm" # Ubuntu requires this library last, issue #38
  
--- 238,247 ----
  conditional_cflags "-xHOST"
  
  # Disable unsafe fp optimizations and enforce fp precision as set in the source.
! #conditional_cflags "-fp-model source"
  
  # Silence a gold linker warning about string misalignment.
! #conditional_cflags "-falign-stack=maintain-16-byte"
  
  lflags "-lm" # Ubuntu requires this library last, issue #38
  
*** ./pam.h.ORIG	Wed May 29 15:04:59 2019
--- ./pam.h	Wed May 29 15:07:37 2019
***************
*** 19,25 ****
  #include <math.h>
  #include <assert.h>
  #include <stdlib.h>
! #include <stdbool.h>
  
  #ifndef MAX
  #  define MAX(a,b)  ((a) > (b)? (a) : (b))
--- 19,25 ----
  #include <math.h>
  #include <assert.h>
  #include <stdlib.h>
! #include "stdbool.h"
  
  #ifndef MAX
  #  define MAX(a,b)  ((a) > (b)? (a) : (b))
***************
*** 111,116 ****
--- 111,120 ----
          .b = gamma_lut[px.b]*a,
      };
  }
+ 
+ #ifndef powf
+ #define powf(X,Y) pow(X,Y)
+ #endif
  
  inline static rgba_pixel f_to_rgb(const float gamma, const f_pixel px)
  {
*** ./libimagequant.c.ORIG	Wed May 29 15:08:10 2019
--- ./libimagequant.c	Wed May 29 15:09:03 2019
***************
*** 1688,1693 ****
--- 1688,1697 ----
      }
  }
  
+ #ifndef fabsf
+ #define fabsf(X) fabs(X)
+ #endif
+ 
  /**
   Builds two maps:
      importance_map - approximation of areas with high-frequency noise, except straight edges. 1=flat, 0=noisy.
***************
*** 1855,1860 ****
--- 1859,1868 ----
      if (palette) pam_freecolormap(palette);
      return newpal;
  }
+ 
+ #ifndef sqrtf
+ #define sqrtf(X) sqrt(X)
+ #endif
  
  LIQ_NONNULL static void adjust_histogram_callback(hist_item *item, float diff)
  {
*** ./nearest.c.ORIG	Wed May 29 15:22:05 2019
--- ./nearest.c	Wed May 29 15:22:27 2019
***************
*** 67,72 ****
--- 67,76 ----
      return best;
  }
  
+ #ifndef sqrtf
+ #define sqrtf(X) sqrt(X)
+ #endif
+ 
  static vp_node *vp_create_node(mempoolptr *m, vp_sort_tmp indexes[], int num_indexes, const colormap_item items[]) {
      if (num_indexes <= 0) {
          return NULL;