[Bug 252379] Mk/Uses/compiler.mk: remove USE_GCC=yes for compiler:openmp due to libomp.so is part of base since 11.3/12.1

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252379

--- Comment #22 from Jason W. Bacon <jwb at freebsd.org> ---
I've updated all my ports using openmp to eliminate the gcc dep.  Below is a
summary of the necessary changes to show some examples of what we're up
against.

I plan to do some runtime testing before committing these changes.

===

/usr/ports/biology/canu/Makefile:MAINTAINER=    jwb at FreeBSD.org

Requires both openmp and c++11:

-USES=          compiler:openmp gmake perl5
+USES=          compiler:c++11-lang gmake localbase perl5

No longer needed since replacing compiler:openmp with compiler:c++11-lang:

-.include <bsd.port.pre.mk>
-
-# GCC 4.2.1 (still base compiler on some 2nd tier platforms) cannot build canu
-.if ${COMPILER_TYPE} == gcc && ${COMPILER_VERSION} <= 42
-USE_GCC=       yes
-.endif
-

===

/usr/ports/biology/cd-hit/Makefile:MAINTAINER=  jwb at FreeBSD.org

Requires openmp only:

-USES=          compiler:openmp gmake shebangfix
+USES=          gmake shebangfix

/usr/ports/biology/fasttree/Makefile:MAINTAINER=        jwb at FreeBSD.org

Requires openmp only:

-USES=          compiler:openmp

===

/usr/ports/biology/gcta/Makefile:MAINTAINER=    jwb at FreeBSD.org

Requires both openmp and c++11:

-USES=          compiler:openmp dos2unix eigen:3 gmake localbase zip
+USES=          compiler:c++11-lang dos2unix eigen:3 gmake localbase:ldflags
zip

No longer needed since replacing compiler:openmp with compiler:c++11-lang:

-.include <bsd.port.pre.mk>
-
-.if ${CHOSEN_COMPILER_TYPE} == gcc && ${COMPILER_VERSION} <= 42
-USE_GCC=       yes
-.endif
-

===

/usr/ports/biology/ncbi-blast+/Makefile:MAINTAINER=     jwb at FreeBSD.org

Requires both openmp and c++14:

-USES=          compiler:openmp gmake shebangfix perl5 python
+USES=          compiler:c++14-lang gmake shebangfix perl5 python
-LDFLAGS+=      -latomic

-latomic required for gcc, does not work with clang:

-# Force newer GCC on platforms using GCC 4.2 as base
 .if ${CHOSEN_COMPILER_TYPE} == gcc
-USE_GCC=       yes
+# In case of problems:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220822
+LDFLAGS+=      -latomic # Only exists in gcc libs
 .endif

===

/usr/ports/biology/stacks/Makefile:MAINTAINER=  jwb at FreeBSD.org

-USES=          compiler:openmp gmake python shebangfix
+USES=          compiler:c++11-lang gmake python shebangfix

clang is missing some atomic functionality on i386:

-# Force newer GCC on platforms using GCC 4.2 as base
-.if ${CHOSEN_COMPILER_TYPE} == gcc
+# Temp workaround, see PR 230888
+.if ${ARCH} == i386
 USE_GCC=       yes
 .endif

===

/usr/ports/biology/star/Makefile:MAINTAINER=    jwb at FreeBSD.org

Requires both openmp and c++11:

-USES=          compiler:openmp gmake
+USES=          compiler:c++11-lang gmake

No longer needed since replacing compiler:openmp with compiler:c++11-lang:

-.include <bsd.port.pre.mk>
-
-# Force newer compiler on platforms using GCC 4.2 as base
-.if ${CHOSEN_COMPILER_TYPE} == gcc && ${COMPILER_VERSION} <= 42
-USE_GCC=       yes
-.endif
-

===

/usr/ports/sysutils/parafly/Makefile:MAINTAINER=        jwb at FreeBSD.org

Requires openmp only:

-USES=          compiler:openmp tar:tgz
+USES=          tar:tgz

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