jpeg-quantsmooth: fix build with gcc and for ppc

Author: barracuda156

graphics/jpeg-quantsmooth/Portfile

@@ -27,6 +27,10 @@ compiler.blacklist-append \
 depends_lib-append  port:libjpeg-turbo
 
 patchfiles-append   patch-dynamic.patch
+
+# See: https://github.com/ilyakurdyukov/jpeg-quantsmooth/pull/31
+patchfiles-append   patch-Makefile.patch
+
 post-patch {
     reinplace "s|LDFLAGS :=|LDFLAGS ?=|g" Makefile
     reinplace "s|CFLAGS :=|CFLAGS ?=|g" Makefile
@@ -35,10 +39,12 @@ post-patch {
     }
 }
 
-configure.cflags-append \
+if {[string match *clang* ${configure.compiler}]} {
+    configure.cflags-append \
                     -I${prefix}/include/libomp
-configure.ldflags-append \
+    configure.ldflags-append \
                     -L${prefix}/lib/libomp
+}
 
 destroot {
     xinstall -m 755 ${worksrcpath}/jpegqs ${destroot}${prefix}/bin

graphics/jpeg-quantsmooth/files/patch-Makefile.patch

@@ -0,0 +1,40 @@
+diff --git a/Makefile b/Makefile
+index 97c9461..cbc7c4e 100644
+--- Makefile
++++ Makefile
+@@ -25,10 +25,10 @@ SIMDOBJ := jpegqs_base.o jpegqs_sse2.o jpegqs_avx2.o jpegqs_avx512.o
+ else ifeq ($(SIMD),none)
+ SIMDFLG := -DNO_SIMD
+ else ifeq ($(SIMD),native)
+-ifneq (,$(filter arm% aarch64,$(ARCH)))
+-SIMDFLG := -mcpu=native
++ifneq (,$(filter arm% aarch64 ppc% Power\ Macintosh,$(ARCH)))
++SIMDFLG := -mcpu=native -mtune=native
+ else
+-SIMDFLG := -march=native
++SIMDFLG := -march=native -mtune=native
+ endif
+ else ifeq ($(SIMD),avx512)
+ SIMDFLG := $(SIMD_AVX512)
+@@ -49,14 +49,20 @@ CFLAGS := -Wall -O2
+ ifneq (,$(filter e2k,$(ARCH)))
+ CFLAGS := $(filter-out -O2,$(CFLAGS)) -O3
+ endif
++OMPLINK :=
+ ifeq ($(OS),Darwin)
+ LDFLAGS := -Wl,-dead_strip
+ ifeq ($(LIBMINIOMP),)
+-LDFLAGS += -lomp
++ifneq (,$(filter gcc%,$(notdir $(CC))))
++OMPLINK := -lgomp
++else
++OMPLINK := -lomp
++endif
+ endif
+ else
+ LDFLAGS := -Wl,--gc-sections -s
+ endif
++LDFLAGS += $(OMPLINK)
+ 
+ CFLAGS_LIB := $(CFLAGS) $(MFLAGS) $(SIMDFLG)
+ CFLAGS_APP := $(CFLAGS_LIB) -Wextra -pedantic $(MTOPTS)