The LATEX variable can have a typo. Check if it is available before invoking it. Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx> --- Makefile | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Makefile b/Makefile index 4ab54130..abcd7e2c 100644 --- a/Makefile +++ b/Makefile @@ -101,6 +101,7 @@ PDFTARGETS_OF_EPSOTHER := $(filter-out $(PDFTARGETS_OF_EPSORIG) $(PDFTARGETS_OF_ BIBSOURCES := bib/*.bib alphapf.bst # required commands +LATEX_CMD := $(shell which $(LATEX) 2>/dev/null) DOT := $(shell which dot 2>/dev/null) FIG2EPS := $(shell which fig2eps 2>/dev/null) INKSCAPE := $(shell which inkscape 2>/dev/null) @@ -225,6 +226,9 @@ qqmsg: perfbook.pdf @echo "built as perfbook.pdf." $(PDFTARGETS): %.pdf: %.tex %.bbl +ifeq ($(LATEX_CMD),) + $(error LaTeX engine "$(LATEX)" not found.) +endif LATEX=$(LATEX) sh utilities/runlatex.sh $(basename $@) $(PDFTARGETS:.pdf=.bbl): %.bbl: %.aux $(BIBSOURCES) @@ -233,6 +237,9 @@ $(PDFTARGETS:.pdf=.bbl): %.bbl: %.aux $(BIBSOURCES) $(PDFTARGETS:.pdf=.aux): %.aux: %.tex $(LATEXGENERATED) ifeq ($(NEWTXTEXT),) $(error Font package 'newtx' not found. See #9 in FAQ-BUILD.txt) +endif +ifeq ($(LATEX_CMD),) + $(error LaTeX engine "$(LATEX)" not found.) endif LATEX=$(LATEX) sh utilities/runfirstlatex.sh $(basename $@) -- 2.25.1
